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Finding the Fourth Proportional to 61,764.60, 92,646.90 and 41,806.20

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Solution

The fourth proportional to 61,764.60, 92,646.90 and 41,806.20 is: 62,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.60 : 92,646.90 = 41,806.20 : x
  2. Step 2: Convert to fraction form
    61,764.60/92,646.90 = 41,806.20/x
  3. Step 3: Cross multiply
    61,764.60x = 92,646.90 × 41,806.20
  4. Step 4: Simplify right side
    61,764.60x = 3,873,214,830.78
  5. Step 5: Solve for x
    x = 3,873,214,830.78/61,764.60
  6. Step 6: Final answer
    x = 62,709.30

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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.