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Finding the Fourth Proportional to 22,292.10, 30,773.79 and 17,811.18

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Solution

The fourth proportional to 22,292.10, 30,773.79 and 17,811.18 is: 24,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.10 : 30,773.79 = 17,811.18 : x
  2. Step 2: Convert to fraction form
    22,292.10/30,773.79 = 17,811.18/x
  3. Step 3: Cross multiply
    22,292.10x = 30,773.79 × 17,811.18
  4. Step 4: Simplify right side
    22,292.10x = 548,117,512.97
  5. Step 5: Solve for x
    x = 548,117,512.97/22,292.10
  6. Step 6: Final answer
    x = 24,587.97

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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.