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Finding the Fourth Proportional to 94.67, 130.66 and 53.24

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Solution

The fourth proportional to 94.67, 130.66 and 53.24 is: 73.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.67 : 130.66 = 53.24 : x
  2. Step 2: Convert to fraction form
    94.67/130.66 = 53.24/x
  3. Step 3: Cross multiply
    94.67x = 130.66 × 53.24
  4. Step 4: Simplify right side
    94.67x = 6,956.59
  5. Step 5: Solve for x
    x = 6,956.59/94.67
  6. Step 6: Final answer
    x = 73.48

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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.