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Finding the Fourth Proportional to 50,632, 69,871.44 and 29,423.20

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Solution

The fourth proportional to 50,632, 69,871.44 and 29,423.20 is: 40,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,632 : 69,871.44 = 29,423.20 : x
  2. Step 2: Convert to fraction form
    50,632/69,871.44 = 29,423.20/x
  3. Step 3: Cross multiply
    50,632x = 69,871.44 × 29,423.20
  4. Step 4: Simplify right side
    50,632x = 2,055,841,353.41
  5. Step 5: Solve for x
    x = 2,055,841,353.41/50,632
  6. Step 6: Final answer
    x = 40,603.60

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