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Finding the Fourth Proportional to 62,389.28, 93,648.72 and 36,145.28

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Solution

The fourth proportional to 62,389.28, 93,648.72 and 36,145.28 is: 54,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,389.28 : 93,648.72 = 36,145.28 : x
  2. Step 2: Convert to fraction form
    62,389.28/93,648.72 = 36,145.28/x
  3. Step 3: Cross multiply
    62,389.28x = 93,648.72 × 36,145.28
  4. Step 4: Simplify right side
    62,389.28x = 3,384,959,206.04
  5. Step 5: Solve for x
    x = 3,384,959,206.04/62,389.28
  6. Step 6: Final answer
    x = 54,255.46

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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.