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Finding the Fourth Proportional to 74,994.60, 112,493.92 and 32,853

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Solution

The fourth proportional to 74,994.60, 112,493.92 and 32,853 is: 49,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,994.60 : 112,493.92 = 32,853 : x
  2. Step 2: Convert to fraction form
    74,994.60/112,493.92 = 32,853/x
  3. Step 3: Cross multiply
    74,994.60x = 112,493.92 × 32,853
  4. Step 4: Simplify right side
    74,994.60x = 3,695,762,753.76
  5. Step 5: Solve for x
    x = 3,695,762,753.76/74,994.60
  6. Step 6: Final answer
    x = 49,280.38

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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.