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Finding the Fourth Proportional to 18,296.69, 25,233.12 and 14,264.51

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Solution

The fourth proportional to 18,296.69, 25,233.12 and 14,264.51 is: 19,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.69 : 25,233.12 = 14,264.51 : x
  2. Step 2: Convert to fraction form
    18,296.69/25,233.12 = 14,264.51/x
  3. Step 3: Cross multiply
    18,296.69x = 25,233.12 × 14,264.51
  4. Step 4: Simplify right side
    18,296.69x = 359,937,966.41
  5. Step 5: Solve for x
    x = 359,937,966.41/18,296.69
  6. Step 6: Final answer
    x = 19,672.30

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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.