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Finding the Fourth Proportional to 1,793.98, 2,475.11 and 1,047.56

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Solution

The fourth proportional to 1,793.98, 2,475.11 and 1,047.56 is: 1,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.98 : 2,475.11 = 1,047.56 : x
  2. Step 2: Convert to fraction form
    1,793.98/2,475.11 = 1,047.56/x
  3. Step 3: Cross multiply
    1,793.98x = 2,475.11 × 1,047.56
  4. Step 4: Simplify right side
    1,793.98x = 2,592,820.99
  5. Step 5: Solve for x
    x = 2,592,820.99/1,793.98
  6. Step 6: Final answer
    x = 1,445.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.