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Finding the Fourth Proportional to 20,593.60, 30,825.60 and 14,761.60

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Solution

The fourth proportional to 20,593.60, 30,825.60 and 14,761.60 is: 22,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.60 : 30,825.60 = 14,761.60 : x
  2. Step 2: Convert to fraction form
    20,593.60/30,825.60 = 14,761.60/x
  3. Step 3: Cross multiply
    20,593.60x = 30,825.60 × 14,761.60
  4. Step 4: Simplify right side
    20,593.60x = 455,035,176.96
  5. Step 5: Solve for x
    x = 455,035,176.96/20,593.60
  6. Step 6: Final answer
    x = 22,095.95

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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.