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Finding the Fourth Proportional to 45,920.20, 68,750.70 and 44,624.20

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Solution

The fourth proportional to 45,920.20, 68,750.70 and 44,624.20 is: 66,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.20 : 68,750.70 = 44,624.20 : x
  2. Step 2: Convert to fraction form
    45,920.20/68,750.70 = 44,624.20/x
  3. Step 3: Cross multiply
    45,920.20x = 68,750.70 × 44,624.20
  4. Step 4: Simplify right side
    45,920.20x = 3,067,944,986.94
  5. Step 5: Solve for x
    x = 3,067,944,986.94/45,920.20
  6. Step 6: Final answer
    x = 66,810.36

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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.