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Finding the Fourth Proportional to 1,552.69, 2,329.04 and 731.35

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Solution

The fourth proportional to 1,552.69, 2,329.04 and 731.35 is: 1,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.69 : 2,329.04 = 731.35 : x
  2. Step 2: Convert to fraction form
    1,552.69/2,329.04 = 731.35/x
  3. Step 3: Cross multiply
    1,552.69x = 2,329.04 × 731.35
  4. Step 4: Simplify right side
    1,552.69x = 1,703,343.40
  5. Step 5: Solve for x
    x = 1,703,343.40/1,552.69
  6. Step 6: Final answer
    x = 1,097.03

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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.