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Finding the Fourth Proportional to 23,668.61, 32,661.73 and 13,058.11

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Solution

The fourth proportional to 23,668.61, 32,661.73 and 13,058.11 is: 18,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,668.61 : 32,661.73 = 13,058.11 : x
  2. Step 2: Convert to fraction form
    23,668.61/32,661.73 = 13,058.11/x
  3. Step 3: Cross multiply
    23,668.61x = 32,661.73 × 13,058.11
  4. Step 4: Simplify right side
    23,668.61x = 426,500,520.28
  5. Step 5: Solve for x
    x = 426,500,520.28/23,668.61
  6. Step 6: Final answer
    x = 18,019.67

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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.