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Finding the Fourth Proportional to 2,733.98, 4,101.92 and 885.15

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Solution

The fourth proportional to 2,733.98, 4,101.92 and 885.15 is: 1,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.98 : 4,101.92 = 885.15 : x
  2. Step 2: Convert to fraction form
    2,733.98/4,101.92 = 885.15/x
  3. Step 3: Cross multiply
    2,733.98x = 4,101.92 × 885.15
  4. Step 4: Simplify right side
    2,733.98x = 3,630,810.06
  5. Step 5: Solve for x
    x = 3,630,810.06/2,733.98
  6. Step 6: Final answer
    x = 1,328.03

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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.