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Finding the Fourth Proportional to 18,325.47, 25,275.78 and 14,028.22

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Solution

The fourth proportional to 18,325.47, 25,275.78 and 14,028.22 is: 19,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.47 : 25,275.78 = 14,028.22 : x
  2. Step 2: Convert to fraction form
    18,325.47/25,275.78 = 14,028.22/x
  3. Step 3: Cross multiply
    18,325.47x = 25,275.78 × 14,028.22
  4. Step 4: Simplify right side
    18,325.47x = 354,574,202.51
  5. Step 5: Solve for x
    x = 354,574,202.51/18,325.47
  6. Step 6: Final answer
    x = 19,348.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.