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Finding the Fourth Proportional to 3,543.66, 4,891.98 and 2,218.10

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Solution

The fourth proportional to 3,543.66, 4,891.98 and 2,218.10 is: 3,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.66 : 4,891.98 = 2,218.10 : x
  2. Step 2: Convert to fraction form
    3,543.66/4,891.98 = 2,218.10/x
  3. Step 3: Cross multiply
    3,543.66x = 4,891.98 × 2,218.10
  4. Step 4: Simplify right side
    3,543.66x = 10,850,900.84
  5. Step 5: Solve for x
    x = 10,850,900.84/3,543.66
  6. Step 6: Final answer
    x = 3,062.06

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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.