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Finding the Fourth Proportional to 60,049.87, 90,044.21 and 20,054.47

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Solution

The fourth proportional to 60,049.87, 90,044.21 and 20,054.47 is: 30,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,049.87 : 90,044.21 = 20,054.47 : x
  2. Step 2: Convert to fraction form
    60,049.87/90,044.21 = 20,054.47/x
  3. Step 3: Cross multiply
    60,049.87x = 90,044.21 × 20,054.47
  4. Step 4: Simplify right side
    60,049.87x = 1,805,788,789.17
  5. Step 5: Solve for x
    x = 1,805,788,789.17/60,049.87
  6. Step 6: Final answer
    x = 30,071.48

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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.