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Finding the Fourth Proportional to 3,182.62, 4,773.72 and 1,332.76

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Solution

The fourth proportional to 3,182.62, 4,773.72 and 1,332.76 is: 1,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.62 : 4,773.72 = 1,332.76 : x
  2. Step 2: Convert to fraction form
    3,182.62/4,773.72 = 1,332.76/x
  3. Step 3: Cross multiply
    3,182.62x = 4,773.72 × 1,332.76
  4. Step 4: Simplify right side
    3,182.62x = 6,362,223.07
  5. Step 5: Solve for x
    x = 6,362,223.07/3,182.62
  6. Step 6: Final answer
    x = 1,999.05

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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.