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Finding the Fourth Proportional to 1,770.10, 2,441.13 and 1,474.90

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Solution

The fourth proportional to 1,770.10, 2,441.13 and 1,474.90 is: 2,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.10 : 2,441.13 = 1,474.90 : x
  2. Step 2: Convert to fraction form
    1,770.10/2,441.13 = 1,474.90/x
  3. Step 3: Cross multiply
    1,770.10x = 2,441.13 × 1,474.90
  4. Step 4: Simplify right side
    1,770.10x = 3,600,422.64
  5. Step 5: Solve for x
    x = 3,600,422.64/1,770.10
  6. Step 6: Final answer
    x = 2,034.02

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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.