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Finding the Fourth Proportional to 62,652.16, 93,978.16 and 15,267.20

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Solution

The fourth proportional to 62,652.16, 93,978.16 and 15,267.20 is: 22,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,652.16 : 93,978.16 = 15,267.20 : x
  2. Step 2: Convert to fraction form
    62,652.16/93,978.16 = 15,267.20/x
  3. Step 3: Cross multiply
    62,652.16x = 93,978.16 × 15,267.20
  4. Step 4: Simplify right side
    62,652.16x = 1,434,783,364.35
  5. Step 5: Solve for x
    x = 1,434,783,364.35/62,652.16
  6. Step 6: Final answer
    x = 22,900.78

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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.