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Finding the Fourth Proportional to 61,480.60, 92,264.10 and 39,347.80

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Solution

The fourth proportional to 61,480.60, 92,264.10 and 39,347.80 is: 59,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.60 : 92,264.10 = 39,347.80 : x
  2. Step 2: Convert to fraction form
    61,480.60/92,264.10 = 39,347.80/x
  3. Step 3: Cross multiply
    61,480.60x = 92,264.10 × 39,347.80
  4. Step 4: Simplify right side
    61,480.60x = 3,630,389,353.98
  5. Step 5: Solve for x
    x = 3,630,389,353.98/61,480.60
  6. Step 6: Final answer
    x = 59,049.35

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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.