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Finding the Fourth Proportional to 62,250.88, 93,377.12 and 20,697.88

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Solution

The fourth proportional to 62,250.88, 93,377.12 and 20,697.88 is: 31,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,250.88 : 93,377.12 = 20,697.88 : x
  2. Step 2: Convert to fraction form
    62,250.88/93,377.12 = 20,697.88/x
  3. Step 3: Cross multiply
    62,250.88x = 93,377.12 × 20,697.88
  4. Step 4: Simplify right side
    62,250.88x = 1,932,708,009.36
  5. Step 5: Solve for x
    x = 1,932,708,009.36/62,250.88
  6. Step 6: Final answer
    x = 31,047.08

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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.