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Finding the Fourth Proportional to 22,800.56, 34,212.17 and 12,799.08

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Solution

The fourth proportional to 22,800.56, 34,212.17 and 12,799.08 is: 19,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.56 : 34,212.17 = 12,799.08 : x
  2. Step 2: Convert to fraction form
    22,800.56/34,212.17 = 12,799.08/x
  3. Step 3: Cross multiply
    22,800.56x = 34,212.17 × 12,799.08
  4. Step 4: Simplify right side
    22,800.56x = 437,884,332.80
  5. Step 5: Solve for x
    x = 437,884,332.80/22,800.56
  6. Step 6: Final answer
    x = 19,204.99

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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.