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Finding the Fourth Proportional to 1,524.96, 2,286.70 and 702.99

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Solution

The fourth proportional to 1,524.96, 2,286.70 and 702.99 is: 1,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.96 : 2,286.70 = 702.99 : x
  2. Step 2: Convert to fraction form
    1,524.96/2,286.70 = 702.99/x
  3. Step 3: Cross multiply
    1,524.96x = 2,286.70 × 702.99
  4. Step 4: Simplify right side
    1,524.96x = 1,607,527.23
  5. Step 5: Solve for x
    x = 1,607,527.23/1,524.96
  6. Step 6: Final answer
    x = 1,054.14

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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.