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Finding the Fourth Proportional to 51.44, 71.01 and 35.10

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Solution

The fourth proportional to 51.44, 71.01 and 35.10 is: 48.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.44 : 71.01 = 35.10 : x
  2. Step 2: Convert to fraction form
    51.44/71.01 = 35.10/x
  3. Step 3: Cross multiply
    51.44x = 71.01 × 35.10
  4. Step 4: Simplify right side
    51.44x = 2,492.45
  5. Step 5: Solve for x
    x = 2,492.45/51.44
  6. Step 6: Final answer
    x = 48.46

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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.