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Finding the Fourth Proportional to 75,818.24, 113,726.88 and 25,874.24

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Solution

The fourth proportional to 75,818.24, 113,726.88 and 25,874.24 is: 38,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.24 : 113,726.88 = 25,874.24 : x
  2. Step 2: Convert to fraction form
    75,818.24/113,726.88 = 25,874.24/x
  3. Step 3: Cross multiply
    75,818.24x = 113,726.88 × 25,874.24
  4. Step 4: Simplify right side
    75,818.24x = 2,942,596,587.57
  5. Step 5: Solve for x
    x = 2,942,596,587.57/75,818.24
  6. Step 6: Final answer
    x = 38,811.20

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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.