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Finding the Fourth Proportional to 67,552.70, 101,307.08 and 28,099.22

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Solution

The fourth proportional to 67,552.70, 101,307.08 and 28,099.22 is: 42,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,552.70 : 101,307.08 = 28,099.22 : x
  2. Step 2: Convert to fraction form
    67,552.70/101,307.08 = 28,099.22/x
  3. Step 3: Cross multiply
    67,552.70x = 101,307.08 × 28,099.22
  4. Step 4: Simplify right side
    67,552.70x = 2,846,649,928.48
  5. Step 5: Solve for x
    x = 2,846,649,928.48/67,552.70
  6. Step 6: Final answer
    x = 42,139.69

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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.