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Finding the Fourth Proportional to 8,823.43, 13,253.59 and 7,439.47

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Solution

The fourth proportional to 8,823.43, 13,253.59 and 7,439.47 is: 11,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.43 : 13,253.59 = 7,439.47 : x
  2. Step 2: Convert to fraction form
    8,823.43/13,253.59 = 7,439.47/x
  3. Step 3: Cross multiply
    8,823.43x = 13,253.59 × 7,439.47
  4. Step 4: Simplify right side
    8,823.43x = 98,599,618.93
  5. Step 5: Solve for x
    x = 98,599,618.93/8,823.43
  6. Step 6: Final answer
    x = 11,174.76

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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.