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Finding the Fourth Proportional to 52,462.80, 72,392.40 and 29,793.60

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Solution

The fourth proportional to 52,462.80, 72,392.40 and 29,793.60 is: 41,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462.80 : 72,392.40 = 29,793.60 : x
  2. Step 2: Convert to fraction form
    52,462.80/72,392.40 = 29,793.60/x
  3. Step 3: Cross multiply
    52,462.80x = 72,392.40 × 29,793.60
  4. Step 4: Simplify right side
    52,462.80x = 2,156,830,208.64
  5. Step 5: Solve for x
    x = 2,156,830,208.64/52,462.80
  6. Step 6: Final answer
    x = 41,111.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.