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Finding the Fourth Proportional to 61,279.70, 91,908.60 and 16,301.30

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Solution

The fourth proportional to 61,279.70, 91,908.60 and 16,301.30 is: 24,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.70 : 91,908.60 = 16,301.30 : x
  2. Step 2: Convert to fraction form
    61,279.70/91,908.60 = 16,301.30/x
  3. Step 3: Cross multiply
    61,279.70x = 91,908.60 × 16,301.30
  4. Step 4: Simplify right side
    61,279.70x = 1,498,229,661.18
  5. Step 5: Solve for x
    x = 1,498,229,661.18/61,279.70
  6. Step 6: Final answer
    x = 24,449.04

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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.