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Finding the Fourth Proportional to 23,862.60, 35,793.90 and 21,011.40

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Solution

The fourth proportional to 23,862.60, 35,793.90 and 21,011.40 is: 31,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,862.60 : 35,793.90 = 21,011.40 : x
  2. Step 2: Convert to fraction form
    23,862.60/35,793.90 = 21,011.40/x
  3. Step 3: Cross multiply
    23,862.60x = 35,793.90 × 21,011.40
  4. Step 4: Simplify right side
    23,862.60x = 752,079,950.46
  5. Step 5: Solve for x
    x = 752,079,950.46/23,862.60
  6. Step 6: Final answer
    x = 31,517.10

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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.