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Finding the Fourth Proportional to 71,368.20, 107,053.20 and 33,932.16

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Solution

The fourth proportional to 71,368.20, 107,053.20 and 33,932.16 is: 50,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.20 : 107,053.20 = 33,932.16 : x
  2. Step 2: Convert to fraction form
    71,368.20/107,053.20 = 33,932.16/x
  3. Step 3: Cross multiply
    71,368.20x = 107,053.20 × 33,932.16
  4. Step 4: Simplify right side
    71,368.20x = 3,632,546,310.91
  5. Step 5: Solve for x
    x = 3,632,546,310.91/71,368.20
  6. Step 6: Final answer
    x = 50,898.67

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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.