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Finding the Fourth Proportional to 44,762.88, 67,410.79 and 38,989.20

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Solution

The fourth proportional to 44,762.88, 67,410.79 and 38,989.20 is: 58,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,762.88 : 67,410.79 = 38,989.20 : x
  2. Step 2: Convert to fraction form
    44,762.88/67,410.79 = 38,989.20/x
  3. Step 3: Cross multiply
    44,762.88x = 67,410.79 × 38,989.20
  4. Step 4: Simplify right side
    44,762.88x = 2,628,292,773.47
  5. Step 5: Solve for x
    x = 2,628,292,773.47/44,762.88
  6. Step 6: Final answer
    x = 58,715.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.