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Finding the Fourth Proportional to 3,528.92, 5,292.92 and 932.06

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Solution

The fourth proportional to 3,528.92, 5,292.92 and 932.06 is: 1,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.92 : 5,292.92 = 932.06 : x
  2. Step 2: Convert to fraction form
    3,528.92/5,292.92 = 932.06/x
  3. Step 3: Cross multiply
    3,528.92x = 5,292.92 × 932.06
  4. Step 4: Simplify right side
    3,528.92x = 4,933,319.02
  5. Step 5: Solve for x
    x = 4,933,319.02/3,528.92
  6. Step 6: Final answer
    x = 1,397.97

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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.