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Finding the Fourth Proportional to 3,758.76, 5,626.60 and 3,386.97

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Solution

The fourth proportional to 3,758.76, 5,626.60 and 3,386.97 is: 5,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.76 : 5,626.60 = 3,386.97 : x
  2. Step 2: Convert to fraction form
    3,758.76/5,626.60 = 3,386.97/x
  3. Step 3: Cross multiply
    3,758.76x = 5,626.60 × 3,386.97
  4. Step 4: Simplify right side
    3,758.76x = 19,057,116.93
  5. Step 5: Solve for x
    x = 19,057,116.93/3,758.76
  6. Step 6: Final answer
    x = 5,070.05

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1.5x scale

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.