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Finding the Fourth Proportional to 1,825.32, 2,737.98 and 671.07

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Solution

The fourth proportional to 1,825.32, 2,737.98 and 671.07 is: 1,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.32 : 2,737.98 = 671.07 : x
  2. Step 2: Convert to fraction form
    1,825.32/2,737.98 = 671.07/x
  3. Step 3: Cross multiply
    1,825.32x = 2,737.98 × 671.07
  4. Step 4: Simplify right side
    1,825.32x = 1,837,376.24
  5. Step 5: Solve for x
    x = 1,837,376.24/1,825.32
  6. Step 6: Final answer
    x = 1,006.61

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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.