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Finding the Fourth Proportional to 1,163.52, 1,752.17 and 841.14

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Solution

The fourth proportional to 1,163.52, 1,752.17 and 841.14 is: 1,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.52 : 1,752.17 = 841.14 : x
  2. Step 2: Convert to fraction form
    1,163.52/1,752.17 = 841.14/x
  3. Step 3: Cross multiply
    1,163.52x = 1,752.17 × 841.14
  4. Step 4: Simplify right side
    1,163.52x = 1,473,816.07
  5. Step 5: Solve for x
    x = 1,473,816.07/1,163.52
  6. Step 6: Final answer
    x = 1,266.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.