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Finding the Fourth Proportional to 4,793.92, 7,191.52 and 2,020.16

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Solution

The fourth proportional to 4,793.92, 7,191.52 and 2,020.16 is: 3,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.92 : 7,191.52 = 2,020.16 : x
  2. Step 2: Convert to fraction form
    4,793.92/7,191.52 = 2,020.16/x
  3. Step 3: Cross multiply
    4,793.92x = 7,191.52 × 2,020.16
  4. Step 4: Simplify right side
    4,793.92x = 14,528,021.04
  5. Step 5: Solve for x
    x = 14,528,021.04/4,793.92
  6. Step 6: Final answer
    x = 3,030.51

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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.