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Finding the Fourth Proportional to 23,773.60, 35,660.40 and 13,907.80

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Solution

The fourth proportional to 23,773.60, 35,660.40 and 13,907.80 is: 20,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,773.60 : 35,660.40 = 13,907.80 : x
  2. Step 2: Convert to fraction form
    23,773.60/35,660.40 = 13,907.80/x
  3. Step 3: Cross multiply
    23,773.60x = 35,660.40 × 13,907.80
  4. Step 4: Simplify right side
    23,773.60x = 495,957,711.12
  5. Step 5: Solve for x
    x = 495,957,711.12/23,773.60
  6. Step 6: Final answer
    x = 20,861.70

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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.