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Finding the Fourth Proportional to 71,354.33, 107,097.92 and 36,320.21

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Solution

The fourth proportional to 71,354.33, 107,097.92 and 36,320.21 is: 54,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,354.33 : 107,097.92 = 36,320.21 : x
  2. Step 2: Convert to fraction form
    71,354.33/107,097.92 = 36,320.21/x
  3. Step 3: Cross multiply
    71,354.33x = 107,097.92 × 36,320.21
  4. Step 4: Simplify right side
    71,354.33x = 3,889,818,763.36
  5. Step 5: Solve for x
    x = 3,889,818,763.36/71,354.33
  6. Step 6: Final answer
    x = 54,514.12

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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.