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Finding the Fourth Proportional to 69,545.66, 95,986.62 and 45,671.72

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Solution

The fourth proportional to 69,545.66, 95,986.62 and 45,671.72 is: 63,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545.66 : 95,986.62 = 45,671.72 : x
  2. Step 2: Convert to fraction form
    69,545.66/95,986.62 = 45,671.72/x
  3. Step 3: Cross multiply
    69,545.66x = 95,986.62 × 45,671.72
  4. Step 4: Simplify right side
    69,545.66x = 4,383,873,552.45
  5. Step 5: Solve for x
    x = 4,383,873,552.45/69,545.66
  6. Step 6: Final answer
    x = 63,035.91

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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.