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Finding the Fourth Proportional to 8,058.96, 12,059.28 and 7,864.56

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Solution

The fourth proportional to 8,058.96, 12,059.28 and 7,864.56 is: 11,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.96 : 12,059.28 = 7,864.56 : x
  2. Step 2: Convert to fraction form
    8,058.96/12,059.28 = 7,864.56/x
  3. Step 3: Cross multiply
    8,058.96x = 12,059.28 × 7,864.56
  4. Step 4: Simplify right side
    8,058.96x = 94,840,931.12
  5. Step 5: Solve for x
    x = 94,840,931.12/8,058.96
  6. Step 6: Final answer
    x = 11,768.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.