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Finding the Fourth Proportional to 4,718.68, 7,081.08 and 2,499.56

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Solution

The fourth proportional to 4,718.68, 7,081.08 and 2,499.56 is: 3,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.68 : 7,081.08 = 2,499.56 : x
  2. Step 2: Convert to fraction form
    4,718.68/7,081.08 = 2,499.56/x
  3. Step 3: Cross multiply
    4,718.68x = 7,081.08 × 2,499.56
  4. Step 4: Simplify right side
    4,718.68x = 17,699,584.32
  5. Step 5: Solve for x
    x = 17,699,584.32/4,718.68
  6. Step 6: Final answer
    x = 3,750.96

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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.