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Finding the Fourth Proportional to 60,427.38, 90,641.11 and 22,978.81

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Solution

The fourth proportional to 60,427.38, 90,641.11 and 22,978.81 is: 34,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.38 : 90,641.11 = 22,978.81 : x
  2. Step 2: Convert to fraction form
    60,427.38/90,641.11 = 22,978.81/x
  3. Step 3: Cross multiply
    60,427.38x = 90,641.11 × 22,978.81
  4. Step 4: Simplify right side
    60,427.38x = 2,082,824,844.88
  5. Step 5: Solve for x
    x = 2,082,824,844.88/60,427.38
  6. Step 6: Final answer
    x = 34,468.23

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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.