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Finding the Fourth Proportional to 94.50, 141.76 and 26.02

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Solution

The fourth proportional to 94.50, 141.76 and 26.02 is: 39.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.50 : 141.76 = 26.02 : x
  2. Step 2: Convert to fraction form
    94.50/141.76 = 26.02/x
  3. Step 3: Cross multiply
    94.50x = 141.76 × 26.02
  4. Step 4: Simplify right side
    94.50x = 3,688.47
  5. Step 5: Solve for x
    x = 3,688.47/94.50
  6. Step 6: Final answer
    x = 39.03

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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.