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Finding the Fourth Proportional to 61.69, 92.50 and 29.17

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Solution

The fourth proportional to 61.69, 92.50 and 29.17 is: 43.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.69 : 92.50 = 29.17 : x
  2. Step 2: Convert to fraction form
    61.69/92.50 = 29.17/x
  3. Step 3: Cross multiply
    61.69x = 92.50 × 29.17
  4. Step 4: Simplify right side
    61.69x = 2,698.03
  5. Step 5: Solve for x
    x = 2,698.03/61.69
  6. Step 6: Final answer
    x = 43.74

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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.