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Finding the Fourth Proportional to 1,524.99, 2,285.61 and 702.12

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Solution

The fourth proportional to 1,524.99, 2,285.61 and 702.12 is: 1,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.99 : 2,285.61 = 702.12 : x
  2. Step 2: Convert to fraction form
    1,524.99/2,285.61 = 702.12/x
  3. Step 3: Cross multiply
    1,524.99x = 2,285.61 × 702.12
  4. Step 4: Simplify right side
    1,524.99x = 1,604,772.49
  5. Step 5: Solve for x
    x = 1,604,772.49/1,524.99
  6. Step 6: Final answer
    x = 1,052.32

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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.