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Finding the Fourth Proportional to 7,041.73, 9,719.19 and 4,058.11

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Solution

The fourth proportional to 7,041.73, 9,719.19 and 4,058.11 is: 5,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.73 : 9,719.19 = 4,058.11 : x
  2. Step 2: Convert to fraction form
    7,041.73/9,719.19 = 4,058.11/x
  3. Step 3: Cross multiply
    7,041.73x = 9,719.19 × 4,058.11
  4. Step 4: Simplify right side
    7,041.73x = 39,441,542.13
  5. Step 5: Solve for x
    x = 39,441,542.13/7,041.73
  6. Step 6: Final answer
    x = 5,601.12

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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.