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Finding the Fourth Proportional to 22,707.70, 34,063.87 and 8,679.53

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Solution

The fourth proportional to 22,707.70, 34,063.87 and 8,679.53 is: 13,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.70 : 34,063.87 = 8,679.53 : x
  2. Step 2: Convert to fraction form
    22,707.70/34,063.87 = 8,679.53/x
  3. Step 3: Cross multiply
    22,707.70x = 34,063.87 × 8,679.53
  4. Step 4: Simplify right side
    22,707.70x = 295,658,461.32
  5. Step 5: Solve for x
    x = 295,658,461.32/22,707.70
  6. Step 6: Final answer
    x = 13,020.19

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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.