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Finding the Fourth Proportional to 61,716.84, 92,578.86 and 17,347.05

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Solution

The fourth proportional to 61,716.84, 92,578.86 and 17,347.05 is: 26,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.84 : 92,578.86 = 17,347.05 : x
  2. Step 2: Convert to fraction form
    61,716.84/92,578.86 = 17,347.05/x
  3. Step 3: Cross multiply
    61,716.84x = 92,578.86 × 17,347.05
  4. Step 4: Simplify right side
    61,716.84x = 1,605,970,113.36
  5. Step 5: Solve for x
    x = 1,605,970,113.36/61,716.84
  6. Step 6: Final answer
    x = 26,021.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.