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Finding the Fourth Proportional to 6,289.30, 9,433.95 and 6,246.10

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Solution

The fourth proportional to 6,289.30, 9,433.95 and 6,246.10 is: 9,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.30 : 9,433.95 = 6,246.10 : x
  2. Step 2: Convert to fraction form
    6,289.30/9,433.95 = 6,246.10/x
  3. Step 3: Cross multiply
    6,289.30x = 9,433.95 × 6,246.10
  4. Step 4: Simplify right side
    6,289.30x = 58,925,395.10
  5. Step 5: Solve for x
    x = 58,925,395.10/6,289.30
  6. Step 6: Final answer
    x = 9,369.15

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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.