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Finding the Fourth Proportional to 2,692.95, 3,717.22 and 2,275.52

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Solution

The fourth proportional to 2,692.95, 3,717.22 and 2,275.52 is: 3,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.95 : 3,717.22 = 2,275.52 : x
  2. Step 2: Convert to fraction form
    2,692.95/3,717.22 = 2,275.52/x
  3. Step 3: Cross multiply
    2,692.95x = 3,717.22 × 2,275.52
  4. Step 4: Simplify right side
    2,692.95x = 8,458,592.50
  5. Step 5: Solve for x
    x = 8,458,592.50/2,692.95
  6. Step 6: Final answer
    x = 3,141.02

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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.