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Finding the Fourth Proportional to 2,692.71, 3,717.78 and 2,062.13

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Solution

The fourth proportional to 2,692.71, 3,717.78 and 2,062.13 is: 2,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.71 : 3,717.78 = 2,062.13 : x
  2. Step 2: Convert to fraction form
    2,692.71/3,717.78 = 2,062.13/x
  3. Step 3: Cross multiply
    2,692.71x = 3,717.78 × 2,062.13
  4. Step 4: Simplify right side
    2,692.71x = 7,666,530.95
  5. Step 5: Solve for x
    x = 7,666,530.95/2,692.71
  6. Step 6: Final answer
    x = 2,847.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.