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Finding the Fourth Proportional to 1,524.84, 2,286 and 702.42

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Solution

The fourth proportional to 1,524.84, 2,286 and 702.42 is: 1,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.84 : 2,286 = 702.42 : x
  2. Step 2: Convert to fraction form
    1,524.84/2,286 = 702.42/x
  3. Step 3: Cross multiply
    1,524.84x = 2,286 × 702.42
  4. Step 4: Simplify right side
    1,524.84x = 1,605,732.12
  5. Step 5: Solve for x
    x = 1,605,732.12/1,524.84
  6. Step 6: Final answer
    x = 1,053.05

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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.