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Finding the Fourth Proportional to 8,465.60, 11,670.33 and 5,939.88

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Solution

The fourth proportional to 8,465.60, 11,670.33 and 5,939.88 is: 8,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.60 : 11,670.33 = 5,939.88 : x
  2. Step 2: Convert to fraction form
    8,465.60/11,670.33 = 5,939.88/x
  3. Step 3: Cross multiply
    8,465.60x = 11,670.33 × 5,939.88
  4. Step 4: Simplify right side
    8,465.60x = 69,320,359.76
  5. Step 5: Solve for x
    x = 69,320,359.76/8,465.60
  6. Step 6: Final answer
    x = 8,188.48

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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.