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Finding the Fourth Proportional to 8,750.05, 12,077.78 and 5,393.92

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Solution

The fourth proportional to 8,750.05, 12,077.78 and 5,393.92 is: 7,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.05 : 12,077.78 = 5,393.92 : x
  2. Step 2: Convert to fraction form
    8,750.05/12,077.78 = 5,393.92/x
  3. Step 3: Cross multiply
    8,750.05x = 12,077.78 × 5,393.92
  4. Step 4: Simplify right side
    8,750.05x = 65,146,556.12
  5. Step 5: Solve for x
    x = 65,146,556.12/8,750.05
  6. Step 6: Final answer
    x = 7,445.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.