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Finding the Fourth Proportional to 71,040.48, 106,526.72 and 33,569.28

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Solution

The fourth proportional to 71,040.48, 106,526.72 and 33,569.28 is: 50,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.48 : 106,526.72 = 33,569.28 : x
  2. Step 2: Convert to fraction form
    71,040.48/106,526.72 = 33,569.28/x
  3. Step 3: Cross multiply
    71,040.48x = 106,526.72 × 33,569.28
  4. Step 4: Simplify right side
    71,040.48x = 3,576,025,291.16
  5. Step 5: Solve for x
    x = 3,576,025,291.16/71,040.48
  6. Step 6: Final answer
    x = 50,337.85

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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.