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Finding the Fourth Proportional to 14,243.88, 21,365.88 and 9,344.52

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Solution

The fourth proportional to 14,243.88, 21,365.88 and 9,344.52 is: 14,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.88 : 21,365.88 = 9,344.52 : x
  2. Step 2: Convert to fraction form
    14,243.88/21,365.88 = 9,344.52/x
  3. Step 3: Cross multiply
    14,243.88x = 21,365.88 × 9,344.52
  4. Step 4: Simplify right side
    14,243.88x = 199,653,892.98
  5. Step 5: Solve for x
    x = 199,653,892.98/14,243.88
  6. Step 6: Final answer
    x = 14,016.82

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1.5x scale

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.