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Finding the Fourth Proportional to 29,058.48, 43,581.98 and 7,993.10

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Solution

The fourth proportional to 29,058.48, 43,581.98 and 7,993.10 is: 11,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.48 : 43,581.98 = 7,993.10 : x
  2. Step 2: Convert to fraction form
    29,058.48/43,581.98 = 7,993.10/x
  3. Step 3: Cross multiply
    29,058.48x = 43,581.98 × 7,993.10
  4. Step 4: Simplify right side
    29,058.48x = 348,355,253.28
  5. Step 5: Solve for x
    x = 348,355,253.28/29,058.48
  6. Step 6: Final answer
    x = 11,988.08

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Why These Related Problems?

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