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Finding the Fourth Proportional to 25,476.82, 35,175.16 and 19,497.82

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Solution

The fourth proportional to 25,476.82, 35,175.16 and 19,497.82 is: 26,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.82 : 35,175.16 = 19,497.82 : x
  2. Step 2: Convert to fraction form
    25,476.82/35,175.16 = 19,497.82/x
  3. Step 3: Cross multiply
    25,476.82x = 35,175.16 × 19,497.82
  4. Step 4: Simplify right side
    25,476.82x = 685,838,938.15
  5. Step 5: Solve for x
    x = 685,838,938.15/25,476.82
  6. Step 6: Final answer
    x = 26,920.12

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Why These Related Problems?

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