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Finding the Fourth Proportional to 1,934.70, 2,902.03 and 473.84

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Solution

The fourth proportional to 1,934.70, 2,902.03 and 473.84 is: 710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.70 : 2,902.03 = 473.84 : x
  2. Step 2: Convert to fraction form
    1,934.70/2,902.03 = 473.84/x
  3. Step 3: Cross multiply
    1,934.70x = 2,902.03 × 473.84
  4. Step 4: Simplify right side
    1,934.70x = 1,375,097.90
  5. Step 5: Solve for x
    x = 1,375,097.90/1,934.70
  6. Step 6: Final answer
    x = 710.76

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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.