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Finding the Fourth Proportional to 60,427.43, 90,643.42 and 22,980.52

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Solution

The fourth proportional to 60,427.43, 90,643.42 and 22,980.52 is: 34,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.43 : 90,643.42 = 22,980.52 : x
  2. Step 2: Convert to fraction form
    60,427.43/90,643.42 = 22,980.52/x
  3. Step 3: Cross multiply
    60,427.43x = 90,643.42 × 22,980.52
  4. Step 4: Simplify right side
    60,427.43x = 2,083,032,926.18
  5. Step 5: Solve for x
    x = 2,083,032,926.18/60,427.43
  6. Step 6: Final answer
    x = 34,471.65

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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.