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Finding the Fourth Proportional to 6,626.08, 9,926.38 and 5,312.71

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Solution

The fourth proportional to 6,626.08, 9,926.38 and 5,312.71 is: 7,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.08 : 9,926.38 = 5,312.71 : x
  2. Step 2: Convert to fraction form
    6,626.08/9,926.38 = 5,312.71/x
  3. Step 3: Cross multiply
    6,626.08x = 9,926.38 × 5,312.71
  4. Step 4: Simplify right side
    6,626.08x = 52,735,978.29
  5. Step 5: Solve for x
    x = 52,735,978.29/6,626.08
  6. Step 6: Final answer
    x = 7,958.85

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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.