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Finding the Fourth Proportional to 3,370, 5,055.92 and 1,061.52

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Solution

The fourth proportional to 3,370, 5,055.92 and 1,061.52 is: 1,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370 : 5,055.92 = 1,061.52 : x
  2. Step 2: Convert to fraction form
    3,370/5,055.92 = 1,061.52/x
  3. Step 3: Cross multiply
    3,370x = 5,055.92 × 1,061.52
  4. Step 4: Simplify right side
    3,370x = 5,366,960.20
  5. Step 5: Solve for x
    x = 5,366,960.20/3,370
  6. Step 6: Final answer
    x = 1,592.57

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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.