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Finding the Fourth Proportional to 9,708.10, 14,562.15 and 4,443.10

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Solution

The fourth proportional to 9,708.10, 14,562.15 and 4,443.10 is: 6,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.10 : 14,562.15 = 4,443.10 : x
  2. Step 2: Convert to fraction form
    9,708.10/14,562.15 = 4,443.10/x
  3. Step 3: Cross multiply
    9,708.10x = 14,562.15 × 4,443.10
  4. Step 4: Simplify right side
    9,708.10x = 64,701,088.67
  5. Step 5: Solve for x
    x = 64,701,088.67/9,708.10
  6. Step 6: Final answer
    x = 6,664.65

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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.