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Finding the Fourth Proportional to 3,377.76, 5,066.76 and 1,069.26

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Solution

The fourth proportional to 3,377.76, 5,066.76 and 1,069.26 is: 1,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.76 : 5,066.76 = 1,069.26 : x
  2. Step 2: Convert to fraction form
    3,377.76/5,066.76 = 1,069.26/x
  3. Step 3: Cross multiply
    3,377.76x = 5,066.76 × 1,069.26
  4. Step 4: Simplify right side
    3,377.76x = 5,417,683.80
  5. Step 5: Solve for x
    x = 5,417,683.80/3,377.76
  6. Step 6: Final answer
    x = 1,603.93

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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.