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Finding the Fourth Proportional to 3,102.68, 4,653.96 and 794.18

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Solution

The fourth proportional to 3,102.68, 4,653.96 and 794.18 is: 1,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.68 : 4,653.96 = 794.18 : x
  2. Step 2: Convert to fraction form
    3,102.68/4,653.96 = 794.18/x
  3. Step 3: Cross multiply
    3,102.68x = 4,653.96 × 794.18
  4. Step 4: Simplify right side
    3,102.68x = 3,696,081.95
  5. Step 5: Solve for x
    x = 3,696,081.95/3,102.68
  6. Step 6: Final answer
    x = 1,191.25

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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.