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Finding the Fourth Proportional to 8,769.60, 12,102.03 and 5,232.81

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Solution

The fourth proportional to 8,769.60, 12,102.03 and 5,232.81 is: 7,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.60 : 12,102.03 = 5,232.81 : x
  2. Step 2: Convert to fraction form
    8,769.60/12,102.03 = 5,232.81/x
  3. Step 3: Cross multiply
    8,769.60x = 12,102.03 × 5,232.81
  4. Step 4: Simplify right side
    8,769.60x = 63,327,623.60
  5. Step 5: Solve for x
    x = 63,327,623.60/8,769.60
  6. Step 6: Final answer
    x = 7,221.27

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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.