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Finding the Fourth Proportional to 71,373.24, 107,065.17 and 21,449.34

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Solution

The fourth proportional to 71,373.24, 107,065.17 and 21,449.34 is: 32,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373.24 : 107,065.17 = 21,449.34 : x
  2. Step 2: Convert to fraction form
    71,373.24/107,065.17 = 21,449.34/x
  3. Step 3: Cross multiply
    71,373.24x = 107,065.17 × 21,449.34
  4. Step 4: Simplify right side
    71,373.24x = 2,296,477,233.49
  5. Step 5: Solve for x
    x = 2,296,477,233.49/71,373.24
  6. Step 6: Final answer
    x = 32,175.61

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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.