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Finding the Fourth Proportional to 2,351.55, 3,528.03 and 708.15

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Solution

The fourth proportional to 2,351.55, 3,528.03 and 708.15 is: 1,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.55 : 3,528.03 = 708.15 : x
  2. Step 2: Convert to fraction form
    2,351.55/3,528.03 = 708.15/x
  3. Step 3: Cross multiply
    2,351.55x = 3,528.03 × 708.15
  4. Step 4: Simplify right side
    2,351.55x = 2,498,374.44
  5. Step 5: Solve for x
    x = 2,498,374.44/2,351.55
  6. Step 6: Final answer
    x = 1,062.44

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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.