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Finding the Fourth Proportional to 71,610.75, 107,416.13 and 22,362.75

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Solution

The fourth proportional to 71,610.75, 107,416.13 and 22,362.75 is: 33,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,610.75 : 107,416.13 = 22,362.75 : x
  2. Step 2: Convert to fraction form
    71,610.75/107,416.13 = 22,362.75/x
  3. Step 3: Cross multiply
    71,610.75x = 107,416.13 × 22,362.75
  4. Step 4: Simplify right side
    71,610.75x = 2,402,119,949.34
  5. Step 5: Solve for x
    x = 2,402,119,949.34/71,610.75
  6. Step 6: Final answer
    x = 33,544.13

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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.