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Finding the Fourth Proportional to 69,728.31, 104,599.91 and 22,326.47

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Solution

The fourth proportional to 69,728.31, 104,599.91 and 22,326.47 is: 33,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,728.31 : 104,599.91 = 22,326.47 : x
  2. Step 2: Convert to fraction form
    69,728.31/104,599.91 = 22,326.47/x
  3. Step 3: Cross multiply
    69,728.31x = 104,599.91 × 22,326.47
  4. Step 4: Simplify right side
    69,728.31x = 2,335,346,117.99
  5. Step 5: Solve for x
    x = 2,335,346,117.99/69,728.31
  6. Step 6: Final answer
    x = 33,492.08

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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.