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Finding the Fourth Proportional to 61,487.55, 92,227.68 and 21,503.75

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Solution

The fourth proportional to 61,487.55, 92,227.68 and 21,503.75 is: 32,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.55 : 92,227.68 = 21,503.75 : x
  2. Step 2: Convert to fraction form
    61,487.55/92,227.68 = 21,503.75/x
  3. Step 3: Cross multiply
    61,487.55x = 92,227.68 × 21,503.75
  4. Step 4: Simplify right side
    61,487.55x = 1,983,240,512.66
  5. Step 5: Solve for x
    x = 1,983,240,512.66/61,487.55
  6. Step 6: Final answer
    x = 32,254.34

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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.