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Finding the Fourth Proportional to 2,528.19, 3,793.73 and 885.96

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Solution

The fourth proportional to 2,528.19, 3,793.73 and 885.96 is: 1,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.19 : 3,793.73 = 885.96 : x
  2. Step 2: Convert to fraction form
    2,528.19/3,793.73 = 885.96/x
  3. Step 3: Cross multiply
    2,528.19x = 3,793.73 × 885.96
  4. Step 4: Simplify right side
    2,528.19x = 3,361,088.60
  5. Step 5: Solve for x
    x = 3,361,088.60/2,528.19
  6. Step 6: Final answer
    x = 1,329.44

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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.