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Finding the Fourth Proportional to 22,062.92, 30,447.51 and 12,634.52

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Solution

The fourth proportional to 22,062.92, 30,447.51 and 12,634.52 is: 17,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.92 : 30,447.51 = 12,634.52 : x
  2. Step 2: Convert to fraction form
    22,062.92/30,447.51 = 12,634.52/x
  3. Step 3: Cross multiply
    22,062.92x = 30,447.51 × 12,634.52
  4. Step 4: Simplify right side
    22,062.92x = 384,689,674.05
  5. Step 5: Solve for x
    x = 384,689,674.05/22,062.92
  6. Step 6: Final answer
    x = 17,436.03

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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.