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Finding the Fourth Proportional to 61,774.47, 92,764.22 and 38,548.53

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Solution

The fourth proportional to 61,774.47, 92,764.22 and 38,548.53 is: 57,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,774.47 : 92,764.22 = 38,548.53 : x
  2. Step 2: Convert to fraction form
    61,774.47/92,764.22 = 38,548.53/x
  3. Step 3: Cross multiply
    61,774.47x = 92,764.22 × 38,548.53
  4. Step 4: Simplify right side
    61,774.47x = 3,575,924,124.85
  5. Step 5: Solve for x
    x = 3,575,924,124.85/61,774.47
  6. Step 6: Final answer
    x = 57,886.76

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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.