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Finding the Fourth Proportional to 1,134.59, 1,564.39 and 968.27

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Solution

The fourth proportional to 1,134.59, 1,564.39 and 968.27 is: 1,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.59 : 1,564.39 = 968.27 : x
  2. Step 2: Convert to fraction form
    1,134.59/1,564.39 = 968.27/x
  3. Step 3: Cross multiply
    1,134.59x = 1,564.39 × 968.27
  4. Step 4: Simplify right side
    1,134.59x = 1,514,751.91
  5. Step 5: Solve for x
    x = 1,514,751.91/1,134.59
  6. Step 6: Final answer
    x = 1,335.07

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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.