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Finding the Fourth Proportional to 25,800.76, 38,702.01 and 9,162.09

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Solution

The fourth proportional to 25,800.76, 38,702.01 and 9,162.09 is: 13,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.76 : 38,702.01 = 9,162.09 : x
  2. Step 2: Convert to fraction form
    25,800.76/38,702.01 = 9,162.09/x
  3. Step 3: Cross multiply
    25,800.76x = 38,702.01 × 9,162.09
  4. Step 4: Simplify right side
    25,800.76x = 354,591,298.80
  5. Step 5: Solve for x
    x = 354,591,298.80/25,800.76
  6. Step 6: Final answer
    x = 13,743.44

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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.