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Finding the Fourth Proportional to 2,593.64, 3,579.87 and 1,545.50

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Solution

The fourth proportional to 2,593.64, 3,579.87 and 1,545.50 is: 2,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.64 : 3,579.87 = 1,545.50 : x
  2. Step 2: Convert to fraction form
    2,593.64/3,579.87 = 1,545.50/x
  3. Step 3: Cross multiply
    2,593.64x = 3,579.87 × 1,545.50
  4. Step 4: Simplify right side
    2,593.64x = 5,532,689.09
  5. Step 5: Solve for x
    x = 5,532,689.09/2,593.64
  6. Step 6: Final answer
    x = 2,133.18

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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.