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Finding the Fourth Proportional to 2,734.22, 4,101.93 and 885.52

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Solution

The fourth proportional to 2,734.22, 4,101.93 and 885.52 is: 1,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.22 : 4,101.93 = 885.52 : x
  2. Step 2: Convert to fraction form
    2,734.22/4,101.93 = 885.52/x
  3. Step 3: Cross multiply
    2,734.22x = 4,101.93 × 885.52
  4. Step 4: Simplify right side
    2,734.22x = 3,632,341.05
  5. Step 5: Solve for x
    x = 3,632,341.05/2,734.22
  6. Step 6: Final answer
    x = 1,328.47

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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.