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Finding the Fourth Proportional to 76.10, 114.10 and 24.02

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Solution

The fourth proportional to 76.10, 114.10 and 24.02 is: 36.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.10 : 114.10 = 24.02 : x
  2. Step 2: Convert to fraction form
    76.10/114.10 = 24.02/x
  3. Step 3: Cross multiply
    76.10x = 114.10 × 24.02
  4. Step 4: Simplify right side
    76.10x = 2,740.05
  5. Step 5: Solve for x
    x = 2,740.05/76.10
  6. Step 6: Final answer
    x = 36.01

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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.