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Finding the Fourth Proportional to 3,651.38, 5,476.80 and 1,801.10

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Solution

The fourth proportional to 3,651.38, 5,476.80 and 1,801.10 is: 2,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.38 : 5,476.80 = 1,801.10 : x
  2. Step 2: Convert to fraction form
    3,651.38/5,476.80 = 1,801.10/x
  3. Step 3: Cross multiply
    3,651.38x = 5,476.80 × 1,801.10
  4. Step 4: Simplify right side
    3,651.38x = 9,864,264.48
  5. Step 5: Solve for x
    x = 9,864,264.48/3,651.38
  6. Step 6: Final answer
    x = 2,701.52

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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.