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Finding the Fourth Proportional to 45,686.85, 68,566.82 and 44,228.85

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Solution

The fourth proportional to 45,686.85, 68,566.82 and 44,228.85 is: 66,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.85 : 68,566.82 = 44,228.85 : x
  2. Step 2: Convert to fraction form
    45,686.85/68,566.82 = 44,228.85/x
  3. Step 3: Cross multiply
    45,686.85x = 68,566.82 × 44,228.85
  4. Step 4: Simplify right side
    45,686.85x = 3,032,631,375.61
  5. Step 5: Solve for x
    x = 3,032,631,375.61/45,686.85
  6. Step 6: Final answer
    x = 66,378.65

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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.