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Finding the Fourth Proportional to 22,343.46, 30,789.46 and 15,952.02

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Solution

The fourth proportional to 22,343.46, 30,789.46 and 15,952.02 is: 21,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.46 : 30,789.46 = 15,952.02 : x
  2. Step 2: Convert to fraction form
    22,343.46/30,789.46 = 15,952.02/x
  3. Step 3: Cross multiply
    22,343.46x = 30,789.46 × 15,952.02
  4. Step 4: Simplify right side
    22,343.46x = 491,154,081.71
  5. Step 5: Solve for x
    x = 491,154,081.71/22,343.46
  6. Step 6: Final answer
    x = 21,982.01

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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.