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Finding the Fourth Proportional to 2,274.52, 3,411.68 and 631.16

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Solution

The fourth proportional to 2,274.52, 3,411.68 and 631.16 is: 946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.52 : 3,411.68 = 631.16 : x
  2. Step 2: Convert to fraction form
    2,274.52/3,411.68 = 631.16/x
  3. Step 3: Cross multiply
    2,274.52x = 3,411.68 × 631.16
  4. Step 4: Simplify right side
    2,274.52x = 2,153,315.95
  5. Step 5: Solve for x
    x = 2,153,315.95/2,274.52
  6. Step 6: Final answer
    x = 946.71

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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.