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Finding the Fourth Proportional to 51.98, 71.70 and 41.06

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Solution

The fourth proportional to 51.98, 71.70 and 41.06 is: 56.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.98 : 71.70 = 41.06 : x
  2. Step 2: Convert to fraction form
    51.98/71.70 = 41.06/x
  3. Step 3: Cross multiply
    51.98x = 71.70 × 41.06
  4. Step 4: Simplify right side
    51.98x = 2,944.00
  5. Step 5: Solve for x
    x = 2,944.00/51.98
  6. Step 6: Final answer
    x = 56.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.