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Finding the Fourth Proportional to 67,775.67, 93,508.02 and 40,907.97

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Solution

The fourth proportional to 67,775.67, 93,508.02 and 40,907.97 is: 56,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,775.67 : 93,508.02 = 40,907.97 : x
  2. Step 2: Convert to fraction form
    67,775.67/93,508.02 = 40,907.97/x
  3. Step 3: Cross multiply
    67,775.67x = 93,508.02 × 40,907.97
  4. Step 4: Simplify right side
    67,775.67x = 3,825,223,276.92
  5. Step 5: Solve for x
    x = 3,825,223,276.92/67,775.67
  6. Step 6: Final answer
    x = 56,439.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.