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Finding the Fourth Proportional to 8,545.33, 12,810.16 and 2,995.65

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Solution

The fourth proportional to 8,545.33, 12,810.16 and 2,995.65 is: 4,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.33 : 12,810.16 = 2,995.65 : x
  2. Step 2: Convert to fraction form
    8,545.33/12,810.16 = 2,995.65/x
  3. Step 3: Cross multiply
    8,545.33x = 12,810.16 × 2,995.65
  4. Step 4: Simplify right side
    8,545.33x = 38,374,755.80
  5. Step 5: Solve for x
    x = 38,374,755.80/8,545.33
  6. Step 6: Final answer
    x = 4,490.73

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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.