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Finding the Fourth Proportional to 28,172.34, 42,258.24 and 22,882.14

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Solution

The fourth proportional to 28,172.34, 42,258.24 and 22,882.14 is: 34,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172.34 : 42,258.24 = 22,882.14 : x
  2. Step 2: Convert to fraction form
    28,172.34/42,258.24 = 22,882.14/x
  3. Step 3: Cross multiply
    28,172.34x = 42,258.24 × 22,882.14
  4. Step 4: Simplify right side
    28,172.34x = 966,958,963.83
  5. Step 5: Solve for x
    x = 966,958,963.83/28,172.34
  6. Step 6: Final answer
    x = 34,322.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.