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Finding the Fourth Proportional to 17,689.55, 24,412.86 and 9,732.11

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Solution

The fourth proportional to 17,689.55, 24,412.86 and 9,732.11 is: 13,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.55 : 24,412.86 = 9,732.11 : x
  2. Step 2: Convert to fraction form
    17,689.55/24,412.86 = 9,732.11/x
  3. Step 3: Cross multiply
    17,689.55x = 24,412.86 × 9,732.11
  4. Step 4: Simplify right side
    17,689.55x = 237,588,516.87
  5. Step 5: Solve for x
    x = 237,588,516.87/17,689.55
  6. Step 6: Final answer
    x = 13,431.01

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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.