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Finding the Fourth Proportional to 1,472.64, 2,206.72 and 951.04

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Solution

The fourth proportional to 1,472.64, 2,206.72 and 951.04 is: 1,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.64 : 2,206.72 = 951.04 : x
  2. Step 2: Convert to fraction form
    1,472.64/2,206.72 = 951.04/x
  3. Step 3: Cross multiply
    1,472.64x = 2,206.72 × 951.04
  4. Step 4: Simplify right side
    1,472.64x = 2,098,678.99
  5. Step 5: Solve for x
    x = 2,098,678.99/1,472.64
  6. Step 6: Final answer
    x = 1,425.11

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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.