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Finding the Fourth Proportional to 1,456.07, 2,184.71 and 633.92

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Solution

The fourth proportional to 1,456.07, 2,184.71 and 633.92 is: 951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.07 : 2,184.71 = 633.92 : x
  2. Step 2: Convert to fraction form
    1,456.07/2,184.71 = 633.92/x
  3. Step 3: Cross multiply
    1,456.07x = 2,184.71 × 633.92
  4. Step 4: Simplify right side
    1,456.07x = 1,384,917.27
  5. Step 5: Solve for x
    x = 1,384,917.27/1,456.07
  6. Step 6: Final answer
    x = 951.14

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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.