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Finding the Fourth Proportional to 40,177.60, 60,255.60 and 16,799.20

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Solution

The fourth proportional to 40,177.60, 60,255.60 and 16,799.20 is: 25,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.60 : 60,255.60 = 16,799.20 : x
  2. Step 2: Convert to fraction form
    40,177.60/60,255.60 = 16,799.20/x
  3. Step 3: Cross multiply
    40,177.60x = 60,255.60 × 16,799.20
  4. Step 4: Simplify right side
    40,177.60x = 1,012,245,875.52
  5. Step 5: Solve for x
    x = 1,012,245,875.52/40,177.60
  6. Step 6: Final answer
    x = 25,194.28

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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.