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Finding the Fourth Proportional to 3,343.29, 4,979.64 and 3,167.67

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Solution

The fourth proportional to 3,343.29, 4,979.64 and 3,167.67 is: 4,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.29 : 4,979.64 = 3,167.67 : x
  2. Step 2: Convert to fraction form
    3,343.29/4,979.64 = 3,167.67/x
  3. Step 3: Cross multiply
    3,343.29x = 4,979.64 × 3,167.67
  4. Step 4: Simplify right side
    3,343.29x = 15,773,856.24
  5. Step 5: Solve for x
    x = 15,773,856.24/3,343.29
  6. Step 6: Final answer
    x = 4,718.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.