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Finding the Fourth Proportional to 69,006.57, 103,436.02 and 35,693.11

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Solution

The fourth proportional to 69,006.57, 103,436.02 and 35,693.11 is: 53,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,006.57 : 103,436.02 = 35,693.11 : x
  2. Step 2: Convert to fraction form
    69,006.57/103,436.02 = 35,693.11/x
  3. Step 3: Cross multiply
    69,006.57x = 103,436.02 × 35,693.11
  4. Step 4: Simplify right side
    69,006.57x = 3,691,953,239.82
  5. Step 5: Solve for x
    x = 3,691,953,239.82/69,006.57
  6. Step 6: Final answer
    x = 53,501.47

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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.