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Finding the Fourth Proportional to 22,995.79, 34,478.85 and 10,981.44

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Solution

The fourth proportional to 22,995.79, 34,478.85 and 10,981.44 is: 16,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,995.79 : 34,478.85 = 10,981.44 : x
  2. Step 2: Convert to fraction form
    22,995.79/34,478.85 = 10,981.44/x
  3. Step 3: Cross multiply
    22,995.79x = 34,478.85 × 10,981.44
  4. Step 4: Simplify right side
    22,995.79x = 378,627,422.54
  5. Step 5: Solve for x
    x = 378,627,422.54/22,995.79
  6. Step 6: Final answer
    x = 16,465.08

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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.