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Finding the Fourth Proportional to 1,701.68, 2,552.49 and 547.43

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Solution

The fourth proportional to 1,701.68, 2,552.49 and 547.43 is: 821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.68 : 2,552.49 = 547.43 : x
  2. Step 2: Convert to fraction form
    1,701.68/2,552.49 = 547.43/x
  3. Step 3: Cross multiply
    1,701.68x = 2,552.49 × 547.43
  4. Step 4: Simplify right side
    1,701.68x = 1,397,296.84
  5. Step 5: Solve for x
    x = 1,397,296.84/1,701.68
  6. Step 6: Final answer
    x = 821.13

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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.