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Finding the Fourth Proportional to 15,332.20, 22,949.70 and 10,958.20

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Solution

The fourth proportional to 15,332.20, 22,949.70 and 10,958.20 is: 16,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.20 : 22,949.70 = 10,958.20 : x
  2. Step 2: Convert to fraction form
    15,332.20/22,949.70 = 10,958.20/x
  3. Step 3: Cross multiply
    15,332.20x = 22,949.70 × 10,958.20
  4. Step 4: Simplify right side
    15,332.20x = 251,487,402.54
  5. Step 5: Solve for x
    x = 251,487,402.54/15,332.20
  6. Step 6: Final answer
    x = 16,402.56

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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.