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Finding the Fourth Proportional to 9,169.74, 13,752.40 and 4,234.64

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Solution

The fourth proportional to 9,169.74, 13,752.40 and 4,234.64 is: 6,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.74 : 13,752.40 = 4,234.64 : x
  2. Step 2: Convert to fraction form
    9,169.74/13,752.40 = 4,234.64/x
  3. Step 3: Cross multiply
    9,169.74x = 13,752.40 × 4,234.64
  4. Step 4: Simplify right side
    9,169.74x = 58,236,373.20
  5. Step 5: Solve for x
    x = 58,236,373.20/9,169.74
  6. Step 6: Final answer
    x = 6,350.93

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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.