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Finding the Fourth Proportional to 1,716.01, 2,573.25 and 545.79

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Solution

The fourth proportional to 1,716.01, 2,573.25 and 545.79 is: 818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.01 : 2,573.25 = 545.79 : x
  2. Step 2: Convert to fraction form
    1,716.01/2,573.25 = 545.79/x
  3. Step 3: Cross multiply
    1,716.01x = 2,573.25 × 545.79
  4. Step 4: Simplify right side
    1,716.01x = 1,404,454.12
  5. Step 5: Solve for x
    x = 1,404,454.12/1,716.01
  6. Step 6: Final answer
    x = 818.44

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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.