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Finding the Fourth Proportional to 60,049.40, 89,814.90 and 50,718.20

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Solution

The fourth proportional to 60,049.40, 89,814.90 and 50,718.20 is: 75,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,049.40 : 89,814.90 = 50,718.20 : x
  2. Step 2: Convert to fraction form
    60,049.40/89,814.90 = 50,718.20/x
  3. Step 3: Cross multiply
    60,049.40x = 89,814.90 × 50,718.20
  4. Step 4: Simplify right side
    60,049.40x = 4,555,250,061.18
  5. Step 5: Solve for x
    x = 4,555,250,061.18/60,049.40
  6. Step 6: Final answer
    x = 75,858.38

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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.