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Finding the Fourth Proportional to 13,326.61, 19,973.98 and 6,201.22

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Solution

The fourth proportional to 13,326.61, 19,973.98 and 6,201.22 is: 9,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.61 : 19,973.98 = 6,201.22 : x
  2. Step 2: Convert to fraction form
    13,326.61/19,973.98 = 6,201.22/x
  3. Step 3: Cross multiply
    13,326.61x = 19,973.98 × 6,201.22
  4. Step 4: Simplify right side
    13,326.61x = 123,862,978.82
  5. Step 5: Solve for x
    x = 123,862,978.82/13,326.61
  6. Step 6: Final answer
    x = 9,294.41

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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.