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Finding the Fourth Proportional to 61.02, 91.50 and 24.94

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Solution

The fourth proportional to 61.02, 91.50 and 24.94 is: 37.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.02 : 91.50 = 24.94 : x
  2. Step 2: Convert to fraction form
    61.02/91.50 = 24.94/x
  3. Step 3: Cross multiply
    61.02x = 91.50 × 24.94
  4. Step 4: Simplify right side
    61.02x = 2,282.01
  5. Step 5: Solve for x
    x = 2,282.01/61.02
  6. Step 6: Final answer
    x = 37.40

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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.