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Finding the Fourth Proportional to 6,598,497.60, 9,897,746.40 and 6,492,209.40

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Solution

The fourth proportional to 6,598,497.60, 9,897,746.40 and 6,492,209.40 is: 9,738,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598,497.60 : 9,897,746.40 = 6,492,209.40 : x
  2. Step 2: Convert to fraction form
    6,598,497.60/9,897,746.40 = 6,492,209.40/x
  3. Step 3: Cross multiply
    6,598,497.60x = 9,897,746.40 × 6,492,209.40
  4. Step 4: Simplify right side
    6,598,497.60x = 64,258,242,216,896.16
  5. Step 5: Solve for x
    x = 64,258,242,216,896.16/6,598,497.60
  6. Step 6: Final answer
    x = 9,738,314.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.