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Finding the Fourth Proportional to 8,247.69, 12,373.81 and 3,565.68

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Solution

The fourth proportional to 8,247.69, 12,373.81 and 3,565.68 is: 5,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.69 : 12,373.81 = 3,565.68 : x
  2. Step 2: Convert to fraction form
    8,247.69/12,373.81 = 3,565.68/x
  3. Step 3: Cross multiply
    8,247.69x = 12,373.81 × 3,565.68
  4. Step 4: Simplify right side
    8,247.69x = 44,121,046.84
  5. Step 5: Solve for x
    x = 44,121,046.84/8,247.69
  6. Step 6: Final answer
    x = 5,349.50

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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.