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Finding the Fourth Proportional to 4,793.36, 6,617.06 and 2,803.28

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Solution

The fourth proportional to 4,793.36, 6,617.06 and 2,803.28 is: 3,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.36 : 6,617.06 = 2,803.28 : x
  2. Step 2: Convert to fraction form
    4,793.36/6,617.06 = 2,803.28/x
  3. Step 3: Cross multiply
    4,793.36x = 6,617.06 × 2,803.28
  4. Step 4: Simplify right side
    4,793.36x = 18,549,471.96
  5. Step 5: Solve for x
    x = 18,549,471.96/4,793.36
  6. Step 6: Final answer
    x = 3,869.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.