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Finding the Fourth Proportional to 1,743.19, 2,614.92 and 572.74

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Solution

The fourth proportional to 1,743.19, 2,614.92 and 572.74 is: 859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.19 : 2,614.92 = 572.74 : x
  2. Step 2: Convert to fraction form
    1,743.19/2,614.92 = 572.74/x
  3. Step 3: Cross multiply
    1,743.19x = 2,614.92 × 572.74
  4. Step 4: Simplify right side
    1,743.19x = 1,497,669.28
  5. Step 5: Solve for x
    x = 1,497,669.28/1,743.19
  6. Step 6: Final answer
    x = 859.15

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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.