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Finding the Fourth Proportional to 38,562.40, 57,746.40 and 25,343.20

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Solution

The fourth proportional to 38,562.40, 57,746.40 and 25,343.20 is: 37,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.40 : 57,746.40 = 25,343.20 : x
  2. Step 2: Convert to fraction form
    38,562.40/57,746.40 = 25,343.20/x
  3. Step 3: Cross multiply
    38,562.40x = 57,746.40 × 25,343.20
  4. Step 4: Simplify right side
    38,562.40x = 1,463,478,564.48
  5. Step 5: Solve for x
    x = 1,463,478,564.48/38,562.40
  6. Step 6: Final answer
    x = 37,950.92

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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.