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Finding the Fourth Proportional to 25,291.49, 34,902.35 and 13,961.07

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Solution

The fourth proportional to 25,291.49, 34,902.35 and 13,961.07 is: 19,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.49 : 34,902.35 = 13,961.07 : x
  2. Step 2: Convert to fraction form
    25,291.49/34,902.35 = 13,961.07/x
  3. Step 3: Cross multiply
    25,291.49x = 34,902.35 × 13,961.07
  4. Step 4: Simplify right side
    25,291.49x = 487,274,081.71
  5. Step 5: Solve for x
    x = 487,274,081.71/25,291.49
  6. Step 6: Final answer
    x = 19,266.33

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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.