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Finding the Fourth Proportional to 63.02, 94.46 and 51.01

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Solution

The fourth proportional to 63.02, 94.46 and 51.01 is: 76.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.02 : 94.46 = 51.01 : x
  2. Step 2: Convert to fraction form
    63.02/94.46 = 51.01/x
  3. Step 3: Cross multiply
    63.02x = 94.46 × 51.01
  4. Step 4: Simplify right side
    63.02x = 4,818.40
  5. Step 5: Solve for x
    x = 4,818.40/63.02
  6. Step 6: Final answer
    x = 76.46

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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.