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Finding the Fourth Proportional to 9,149.93, 12,626.92 and 4,958.18

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Solution

The fourth proportional to 9,149.93, 12,626.92 and 4,958.18 is: 6,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.93 : 12,626.92 = 4,958.18 : x
  2. Step 2: Convert to fraction form
    9,149.93/12,626.92 = 4,958.18/x
  3. Step 3: Cross multiply
    9,149.93x = 12,626.92 × 4,958.18
  4. Step 4: Simplify right side
    9,149.93x = 62,606,542.21
  5. Step 5: Solve for x
    x = 62,606,542.21/9,149.93
  6. Step 6: Final answer
    x = 6,842.30

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Double scale
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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.