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Finding the Fourth Proportional to 61,591.42, 92,388.57 and 20,041.66

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Solution

The fourth proportional to 61,591.42, 92,388.57 and 20,041.66 is: 30,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.42 : 92,388.57 = 20,041.66 : x
  2. Step 2: Convert to fraction form
    61,591.42/92,388.57 = 20,041.66/x
  3. Step 3: Cross multiply
    61,591.42x = 92,388.57 × 20,041.66
  4. Step 4: Simplify right side
    61,591.42x = 1,851,620,307.83
  5. Step 5: Solve for x
    x = 1,851,620,307.83/61,591.42
  6. Step 6: Final answer
    x = 30,062.96

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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.