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Finding the Fourth Proportional to 14,242.61, 21,365.48 and 5,923.61

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Solution

The fourth proportional to 14,242.61, 21,365.48 and 5,923.61 is: 8,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.61 : 21,365.48 = 5,923.61 : x
  2. Step 2: Convert to fraction form
    14,242.61/21,365.48 = 5,923.61/x
  3. Step 3: Cross multiply
    14,242.61x = 21,365.48 × 5,923.61
  4. Step 4: Simplify right side
    14,242.61x = 126,560,770.98
  5. Step 5: Solve for x
    x = 126,560,770.98/14,242.61
  6. Step 6: Final answer
    x = 8,886.07

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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.