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Finding the Fourth Proportional to 4,842.62, 6,685.02 and 3,723.16

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Solution

The fourth proportional to 4,842.62, 6,685.02 and 3,723.16 is: 5,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.62 : 6,685.02 = 3,723.16 : x
  2. Step 2: Convert to fraction form
    4,842.62/6,685.02 = 3,723.16/x
  3. Step 3: Cross multiply
    4,842.62x = 6,685.02 × 3,723.16
  4. Step 4: Simplify right side
    4,842.62x = 24,889,399.06
  5. Step 5: Solve for x
    x = 24,889,399.06/4,842.62
  6. Step 6: Final answer
    x = 5,139.66

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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.