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Finding the Fourth Proportional to 40,403, 55,760.48 and 23,650.04

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Solution

The fourth proportional to 40,403, 55,760.48 and 23,650.04 is: 32,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403 : 55,760.48 = 23,650.04 : x
  2. Step 2: Convert to fraction form
    40,403/55,760.48 = 23,650.04/x
  3. Step 3: Cross multiply
    40,403x = 55,760.48 × 23,650.04
  4. Step 4: Simplify right side
    40,403x = 1,318,737,582.42
  5. Step 5: Solve for x
    x = 1,318,737,582.42/40,403
  6. Step 6: Final answer
    x = 32,639.60

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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.