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Finding the Fourth Proportional to 1,772.52, 2,656.86 and 732.04

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Solution

The fourth proportional to 1,772.52, 2,656.86 and 732.04 is: 1,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.52 : 2,656.86 = 732.04 : x
  2. Step 2: Convert to fraction form
    1,772.52/2,656.86 = 732.04/x
  3. Step 3: Cross multiply
    1,772.52x = 2,656.86 × 732.04
  4. Step 4: Simplify right side
    1,772.52x = 1,944,927.79
  5. Step 5: Solve for x
    x = 1,944,927.79/1,772.52
  6. Step 6: Final answer
    x = 1,097.27

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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.