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Finding the Fourth Proportional to 883.29, 1,217.76 and 760.27

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Solution

The fourth proportional to 883.29, 1,217.76 and 760.27 is: 1,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.29 : 1,217.76 = 760.27 : x
  2. Step 2: Convert to fraction form
    883.29/1,217.76 = 760.27/x
  3. Step 3: Cross multiply
    883.29x = 1,217.76 × 760.27
  4. Step 4: Simplify right side
    883.29x = 925,826.40
  5. Step 5: Solve for x
    x = 925,826.40/883.29
  6. Step 6: Final answer
    x = 1,048.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.