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Finding the Fourth Proportional to 1,471.89, 2,204.47 and 702.93

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Solution

The fourth proportional to 1,471.89, 2,204.47 and 702.93 is: 1,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.89 : 2,204.47 = 702.93 : x
  2. Step 2: Convert to fraction form
    1,471.89/2,204.47 = 702.93/x
  3. Step 3: Cross multiply
    1,471.89x = 2,204.47 × 702.93
  4. Step 4: Simplify right side
    1,471.89x = 1,549,573.56
  5. Step 5: Solve for x
    x = 1,549,573.56/1,471.89
  6. Step 6: Final answer
    x = 1,052.78

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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.