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Finding the Fourth Proportional to 83,009.80, 124,514.70 and 23,847.40

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Solution

The fourth proportional to 83,009.80, 124,514.70 and 23,847.40 is: 35,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009.80 : 124,514.70 = 23,847.40 : x
  2. Step 2: Convert to fraction form
    83,009.80/124,514.70 = 23,847.40/x
  3. Step 3: Cross multiply
    83,009.80x = 124,514.70 × 23,847.40
  4. Step 4: Simplify right side
    83,009.80x = 2,969,351,856.78
  5. Step 5: Solve for x
    x = 2,969,351,856.78/83,009.80
  6. Step 6: Final answer
    x = 35,771.10

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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.