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Finding the Fourth Proportional to 60,425.99, 90,641.27 and 22,979.09

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Solution

The fourth proportional to 60,425.99, 90,641.27 and 22,979.09 is: 34,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,425.99 : 90,641.27 = 22,979.09 : x
  2. Step 2: Convert to fraction form
    60,425.99/90,641.27 = 22,979.09/x
  3. Step 3: Cross multiply
    60,425.99x = 90,641.27 × 22,979.09
  4. Step 4: Simplify right side
    60,425.99x = 2,082,853,332.94
  5. Step 5: Solve for x
    x = 2,082,853,332.94/60,425.99
  6. Step 6: Final answer
    x = 34,469.49

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1.5x scale

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.