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Finding the Fourth Proportional to 22,701.31, 34,057.44 and 7,118.94

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Solution

The fourth proportional to 22,701.31, 34,057.44 and 7,118.94 is: 10,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.31 : 34,057.44 = 7,118.94 : x
  2. Step 2: Convert to fraction form
    22,701.31/34,057.44 = 7,118.94/x
  3. Step 3: Cross multiply
    22,701.31x = 34,057.44 × 7,118.94
  4. Step 4: Simplify right side
    22,701.31x = 242,452,871.91
  5. Step 5: Solve for x
    x = 242,452,871.91/22,701.31
  6. Step 6: Final answer
    x = 10,680.13

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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.