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Finding the Fourth Proportional to 60,058.92, 90,062.70 and 20,620.02

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Solution

The fourth proportional to 60,058.92, 90,062.70 and 20,620.02 is: 30,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,058.92 : 90,062.70 = 20,620.02 : x
  2. Step 2: Convert to fraction form
    60,058.92/90,062.70 = 20,620.02/x
  3. Step 3: Cross multiply
    60,058.92x = 90,062.70 × 20,620.02
  4. Step 4: Simplify right side
    60,058.92x = 1,857,094,675.25
  5. Step 5: Solve for x
    x = 1,857,094,675.25/60,058.92
  6. Step 6: Final answer
    x = 30,921.21

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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.