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Finding the Fourth Proportional to 25,045.95, 34,534.09 and 19,993.98

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Solution

The fourth proportional to 25,045.95, 34,534.09 and 19,993.98 is: 27,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.95 : 34,534.09 = 19,993.98 : x
  2. Step 2: Convert to fraction form
    25,045.95/34,534.09 = 19,993.98/x
  3. Step 3: Cross multiply
    25,045.95x = 34,534.09 × 19,993.98
  4. Step 4: Simplify right side
    25,045.95x = 690,473,904.78
  5. Step 5: Solve for x
    x = 690,473,904.78/25,045.95
  6. Step 6: Final answer
    x = 27,568.29

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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.