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Finding the Fourth Proportional to 17,333.65, 26,058.48 and 13,679.92

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Solution

The fourth proportional to 17,333.65, 26,058.48 and 13,679.92 is: 20,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,333.65 : 26,058.48 = 13,679.92 : x
  2. Step 2: Convert to fraction form
    17,333.65/26,058.48 = 13,679.92/x
  3. Step 3: Cross multiply
    17,333.65x = 26,058.48 × 13,679.92
  4. Step 4: Simplify right side
    17,333.65x = 356,477,921.72
  5. Step 5: Solve for x
    x = 356,477,921.72/17,333.65
  6. Step 6: Final answer
    x = 20,565.66

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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.