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Finding the Fourth Proportional to 18,497.23, 27,805.99 and 14,839.47

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Solution

The fourth proportional to 18,497.23, 27,805.99 and 14,839.47 is: 22,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.23 : 27,805.99 = 14,839.47 : x
  2. Step 2: Convert to fraction form
    18,497.23/27,805.99 = 14,839.47/x
  3. Step 3: Cross multiply
    18,497.23x = 27,805.99 × 14,839.47
  4. Step 4: Simplify right side
    18,497.23x = 412,626,154.43
  5. Step 5: Solve for x
    x = 412,626,154.43/18,497.23
  6. Step 6: Final answer
    x = 22,307.46

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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.