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Finding the Fourth Proportional to 4,505.68, 6,742.05 and 2,657.62

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Solution

The fourth proportional to 4,505.68, 6,742.05 and 2,657.62 is: 3,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.68 : 6,742.05 = 2,657.62 : x
  2. Step 2: Convert to fraction form
    4,505.68/6,742.05 = 2,657.62/x
  3. Step 3: Cross multiply
    4,505.68x = 6,742.05 × 2,657.62
  4. Step 4: Simplify right side
    4,505.68x = 17,917,806.92
  5. Step 5: Solve for x
    x = 17,917,806.92/4,505.68
  6. Step 6: Final answer
    x = 3,976.72

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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.