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Finding the Fourth Proportional to 3,374.43, 5,061.47 and 1,065.75

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Solution

The fourth proportional to 3,374.43, 5,061.47 and 1,065.75 is: 1,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.43 : 5,061.47 = 1,065.75 : x
  2. Step 2: Convert to fraction form
    3,374.43/5,061.47 = 1,065.75/x
  3. Step 3: Cross multiply
    3,374.43x = 5,061.47 × 1,065.75
  4. Step 4: Simplify right side
    3,374.43x = 5,394,256.32
  5. Step 5: Solve for x
    x = 5,394,256.32/3,374.43
  6. Step 6: Final answer
    x = 1,598.57

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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.