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Finding the Fourth Proportional to 60,882.36, 91,334.88 and 21,464.52

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Solution

The fourth proportional to 60,882.36, 91,334.88 and 21,464.52 is: 32,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,882.36 : 91,334.88 = 21,464.52 : x
  2. Step 2: Convert to fraction form
    60,882.36/91,334.88 = 21,464.52/x
  3. Step 3: Cross multiply
    60,882.36x = 91,334.88 × 21,464.52
  4. Step 4: Simplify right side
    60,882.36x = 1,960,459,358.46
  5. Step 5: Solve for x
    x = 1,960,459,358.46/60,882.36
  6. Step 6: Final answer
    x = 32,200.78

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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.