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Finding the Fourth Proportional to 9,250.78, 12,765.81 and 5,058.94

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Solution

The fourth proportional to 9,250.78, 12,765.81 and 5,058.94 is: 6,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.78 : 12,765.81 = 5,058.94 : x
  2. Step 2: Convert to fraction form
    9,250.78/12,765.81 = 5,058.94/x
  3. Step 3: Cross multiply
    9,250.78x = 12,765.81 × 5,058.94
  4. Step 4: Simplify right side
    9,250.78x = 64,581,453.90
  5. Step 5: Solve for x
    x = 64,581,453.90/9,250.78
  6. Step 6: Final answer
    x = 6,981.19

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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.