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Finding the Fourth Proportional to 9,150.66, 12,627.91 and 4,958.91

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Solution

The fourth proportional to 9,150.66, 12,627.91 and 4,958.91 is: 6,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.66 : 12,627.91 = 4,958.91 : x
  2. Step 2: Convert to fraction form
    9,150.66/12,627.91 = 4,958.91/x
  3. Step 3: Cross multiply
    9,150.66x = 12,627.91 × 4,958.91
  4. Step 4: Simplify right side
    9,150.66x = 62,620,600.13
  5. Step 5: Solve for x
    x = 62,620,600.13/9,150.66
  6. Step 6: Final answer
    x = 6,843.29

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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.