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Finding the Fourth Proportional to 4,723.02, 7,081.80 and 1,951.62

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Solution

The fourth proportional to 4,723.02, 7,081.80 and 1,951.62 is: 2,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.02 : 7,081.80 = 1,951.62 : x
  2. Step 2: Convert to fraction form
    4,723.02/7,081.80 = 1,951.62/x
  3. Step 3: Cross multiply
    4,723.02x = 7,081.80 × 1,951.62
  4. Step 4: Simplify right side
    4,723.02x = 13,820,982.52
  5. Step 5: Solve for x
    x = 13,820,982.52/4,723.02
  6. Step 6: Final answer
    x = 2,926.30

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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.