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Finding the Fourth Proportional to 71,357.90, 107,049.23 and 23,977.62

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Solution

The fourth proportional to 71,357.90, 107,049.23 and 23,977.62 is: 35,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357.90 : 107,049.23 = 23,977.62 : x
  2. Step 2: Convert to fraction form
    71,357.90/107,049.23 = 23,977.62/x
  3. Step 3: Cross multiply
    71,357.90x = 107,049.23 × 23,977.62
  4. Step 4: Simplify right side
    71,357.90x = 2,566,785,638.34
  5. Step 5: Solve for x
    x = 2,566,785,638.34/71,357.90
  6. Step 6: Final answer
    x = 35,970.59

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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.