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Finding the Fourth Proportional to 86,843.20, 130,264.80 and 24,513.70

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Solution

The fourth proportional to 86,843.20, 130,264.80 and 24,513.70 is: 36,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,843.20 : 130,264.80 = 24,513.70 : x
  2. Step 2: Convert to fraction form
    86,843.20/130,264.80 = 24,513.70/x
  3. Step 3: Cross multiply
    86,843.20x = 130,264.80 × 24,513.70
  4. Step 4: Simplify right side
    86,843.20x = 3,193,272,227.76
  5. Step 5: Solve for x
    x = 3,193,272,227.76/86,843.20
  6. Step 6: Final answer
    x = 36,770.55

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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.