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Finding the Fourth Proportional to 3,529.62, 5,294.85 and 932.58

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Solution

The fourth proportional to 3,529.62, 5,294.85 and 932.58 is: 1,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.62 : 5,294.85 = 932.58 : x
  2. Step 2: Convert to fraction form
    3,529.62/5,294.85 = 932.58/x
  3. Step 3: Cross multiply
    3,529.62x = 5,294.85 × 932.58
  4. Step 4: Simplify right side
    3,529.62x = 4,937,871.21
  5. Step 5: Solve for x
    x = 4,937,871.21/3,529.62
  6. Step 6: Final answer
    x = 1,398.98

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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.