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Finding the Fourth Proportional to 60,920.64, 91,363.68 and 23,976

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Solution

The fourth proportional to 60,920.64, 91,363.68 and 23,976 is: 35,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,920.64 : 91,363.68 = 23,976 : x
  2. Step 2: Convert to fraction form
    60,920.64/91,363.68 = 23,976/x
  3. Step 3: Cross multiply
    60,920.64x = 91,363.68 × 23,976
  4. Step 4: Simplify right side
    60,920.64x = 2,190,535,591.68
  5. Step 5: Solve for x
    x = 2,190,535,591.68/60,920.64
  6. Step 6: Final answer
    x = 35,957.20

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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.