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Finding the Fourth Proportional to 8,956.92, 12,365.72 and 5,982.60

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Solution

The fourth proportional to 8,956.92, 12,365.72 and 5,982.60 is: 8,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.92 : 12,365.72 = 5,982.60 : x
  2. Step 2: Convert to fraction form
    8,956.92/12,365.72 = 5,982.60/x
  3. Step 3: Cross multiply
    8,956.92x = 12,365.72 × 5,982.60
  4. Step 4: Simplify right side
    8,956.92x = 73,979,156.47
  5. Step 5: Solve for x
    x = 73,979,156.47/8,956.92
  6. Step 6: Final answer
    x = 8,259.44

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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.