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Finding the Fourth Proportional to 69,013.11, 103,541.53 and 24,638.88

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Solution

The fourth proportional to 69,013.11, 103,541.53 and 24,638.88 is: 36,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.11 : 103,541.53 = 24,638.88 : x
  2. Step 2: Convert to fraction form
    69,013.11/103,541.53 = 24,638.88/x
  3. Step 3: Cross multiply
    69,013.11x = 103,541.53 × 24,638.88
  4. Step 4: Simplify right side
    69,013.11x = 2,551,147,332.69
  5. Step 5: Solve for x
    x = 2,551,147,332.69/69,013.11
  6. Step 6: Final answer
    x = 36,966.13

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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.