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Finding the Fourth Proportional to 21,897.54, 32,799.53 and 9,401.27

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Solution

The fourth proportional to 21,897.54, 32,799.53 and 9,401.27 is: 14,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897.54 : 32,799.53 = 9,401.27 : x
  2. Step 2: Convert to fraction form
    21,897.54/32,799.53 = 9,401.27/x
  3. Step 3: Cross multiply
    21,897.54x = 32,799.53 × 9,401.27
  4. Step 4: Simplify right side
    21,897.54x = 308,357,096.91
  5. Step 5: Solve for x
    x = 308,357,096.91/21,897.54
  6. Step 6: Final answer
    x = 14,081.81

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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.