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Finding the Fourth Proportional to 58,424.40, 87,505.22 and 40,972.14

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Solution

The fourth proportional to 58,424.40, 87,505.22 and 40,972.14 is: 61,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,424.40 : 87,505.22 = 40,972.14 : x
  2. Step 2: Convert to fraction form
    58,424.40/87,505.22 = 40,972.14/x
  3. Step 3: Cross multiply
    58,424.40x = 87,505.22 × 40,972.14
  4. Step 4: Simplify right side
    58,424.40x = 3,585,276,124.57
  5. Step 5: Solve for x
    x = 3,585,276,124.57/58,424.40
  6. Step 6: Final answer
    x = 61,366.08

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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.