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Finding the Fourth Proportional to 3,529.98, 5,295.02 and 932.90

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Solution

The fourth proportional to 3,529.98, 5,295.02 and 932.90 is: 1,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.98 : 5,295.02 = 932.90 : x
  2. Step 2: Convert to fraction form
    3,529.98/5,295.02 = 932.90/x
  3. Step 3: Cross multiply
    3,529.98x = 5,295.02 × 932.90
  4. Step 4: Simplify right side
    3,529.98x = 4,939,693.02
  5. Step 5: Solve for x
    x = 4,939,693.02/3,529.98
  6. Step 6: Final answer
    x = 1,399.35

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Similar ratio
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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.