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Finding the Fourth Proportional to 22,125.60, 30,532.60 and 12,053.92

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Solution

The fourth proportional to 22,125.60, 30,532.60 and 12,053.92 is: 16,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.60 : 30,532.60 = 12,053.92 : x
  2. Step 2: Convert to fraction form
    22,125.60/30,532.60 = 12,053.92/x
  3. Step 3: Cross multiply
    22,125.60x = 30,532.60 × 12,053.92
  4. Step 4: Simplify right side
    22,125.60x = 368,037,517.79
  5. Step 5: Solve for x
    x = 368,037,517.79/22,125.60
  6. Step 6: Final answer
    x = 16,634.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.