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Finding the Fourth Proportional to 71,777.52, 107,666.73 and 25,030.44

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Solution

The fourth proportional to 71,777.52, 107,666.73 and 25,030.44 is: 37,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,777.52 : 107,666.73 = 25,030.44 : x
  2. Step 2: Convert to fraction form
    71,777.52/107,666.73 = 25,030.44/x
  3. Step 3: Cross multiply
    71,777.52x = 107,666.73 × 25,030.44
  4. Step 4: Simplify right side
    71,777.52x = 2,694,945,625.26
  5. Step 5: Solve for x
    x = 2,694,945,625.26/71,777.52
  6. Step 6: Final answer
    x = 37,545.82

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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.