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Finding the Fourth Proportional to 3,545.58, 4,891.58 and 3,540.11

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Solution

The fourth proportional to 3,545.58, 4,891.58 and 3,540.11 is: 4,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.58 : 4,891.58 = 3,540.11 : x
  2. Step 2: Convert to fraction form
    3,545.58/4,891.58 = 3,540.11/x
  3. Step 3: Cross multiply
    3,545.58x = 4,891.58 × 3,540.11
  4. Step 4: Simplify right side
    3,545.58x = 17,316,713.57
  5. Step 5: Solve for x
    x = 17,316,713.57/3,545.58
  6. Step 6: Final answer
    x = 4,884.03

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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.