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Finding the Fourth Proportional to 62,972.16, 94,053.72 and 57,036.48

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Solution

The fourth proportional to 62,972.16, 94,053.72 and 57,036.48 is: 85,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,972.16 : 94,053.72 = 57,036.48 : x
  2. Step 2: Convert to fraction form
    62,972.16/94,053.72 = 57,036.48/x
  3. Step 3: Cross multiply
    62,972.16x = 94,053.72 × 57,036.48
  4. Step 4: Simplify right side
    62,972.16x = 5,364,493,119.71
  5. Step 5: Solve for x
    x = 5,364,493,119.71/62,972.16
  6. Step 6: Final answer
    x = 85,188.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.