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Finding the Fourth Proportional to 47,884.60, 71,656.80 and 41,712.40

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Solution

The fourth proportional to 47,884.60, 71,656.80 and 41,712.40 is: 62,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,884.60 : 71,656.80 = 41,712.40 : x
  2. Step 2: Convert to fraction form
    47,884.60/71,656.80 = 41,712.40/x
  3. Step 3: Cross multiply
    47,884.60x = 71,656.80 × 41,712.40
  4. Step 4: Simplify right side
    47,884.60x = 2,988,977,104.32
  5. Step 5: Solve for x
    x = 2,988,977,104.32/47,884.60
  6. Step 6: Final answer
    x = 62,420.43

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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.