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Finding the Fourth Proportional to 17,688.74, 24,411.06 and 9,731.30

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Solution

The fourth proportional to 17,688.74, 24,411.06 and 9,731.30 is: 13,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.74 : 24,411.06 = 9,731.30 : x
  2. Step 2: Convert to fraction form
    17,688.74/24,411.06 = 9,731.30/x
  3. Step 3: Cross multiply
    17,688.74x = 24,411.06 × 9,731.30
  4. Step 4: Simplify right side
    17,688.74x = 237,551,226.12
  5. Step 5: Solve for x
    x = 237,551,226.12/17,688.74
  6. Step 6: Final answer
    x = 13,429.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.