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Finding the Fourth Proportional to 95.83, 143.75 and 36.47

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Solution

The fourth proportional to 95.83, 143.75 and 36.47 is: 54.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.83 : 143.75 = 36.47 : x
  2. Step 2: Convert to fraction form
    95.83/143.75 = 36.47/x
  3. Step 3: Cross multiply
    95.83x = 143.75 × 36.47
  4. Step 4: Simplify right side
    95.83x = 5,242.10
  5. Step 5: Solve for x
    x = 5,242.10/95.83
  6. Step 6: Final answer
    x = 54.70

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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.