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Finding the Fourth Proportional to 71,636.68, 107,307.34 and 41,964.56

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Solution

The fourth proportional to 71,636.68, 107,307.34 and 41,964.56 is: 62,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636.68 : 107,307.34 = 41,964.56 : x
  2. Step 2: Convert to fraction form
    71,636.68/107,307.34 = 41,964.56/x
  3. Step 3: Cross multiply
    71,636.68x = 107,307.34 × 41,964.56
  4. Step 4: Simplify right side
    71,636.68x = 4,503,105,307.87
  5. Step 5: Solve for x
    x = 4,503,105,307.87/71,636.68
  6. Step 6: Final answer
    x = 62,860.33

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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.