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Finding the Fourth Proportional to 61,858.20, 92,811.60 and 24,411.90

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Solution

The fourth proportional to 61,858.20, 92,811.60 and 24,411.90 is: 36,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.20 : 92,811.60 = 24,411.90 : x
  2. Step 2: Convert to fraction form
    61,858.20/92,811.60 = 24,411.90/x
  3. Step 3: Cross multiply
    61,858.20x = 92,811.60 × 24,411.90
  4. Step 4: Simplify right side
    61,858.20x = 2,265,707,498.04
  5. Step 5: Solve for x
    x = 2,265,707,498.04/61,858.20
  6. Step 6: Final answer
    x = 36,627.44

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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.