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Finding the Fourth Proportional to 61,618.60, 92,500.80 and 34,985.80

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Solution

The fourth proportional to 61,618.60, 92,500.80 and 34,985.80 is: 52,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,618.60 : 92,500.80 = 34,985.80 : x
  2. Step 2: Convert to fraction form
    61,618.60/92,500.80 = 34,985.80/x
  3. Step 3: Cross multiply
    61,618.60x = 92,500.80 × 34,985.80
  4. Step 4: Simplify right side
    61,618.60x = 3,236,214,488.64
  5. Step 5: Solve for x
    x = 3,236,214,488.64/61,618.60
  6. Step 6: Final answer
    x = 52,520.09

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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.