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Finding the Fourth Proportional to 52.98, 73.19 and 50.76

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Solution

The fourth proportional to 52.98, 73.19 and 50.76 is: 70.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.98 : 73.19 = 50.76 : x
  2. Step 2: Convert to fraction form
    52.98/73.19 = 50.76/x
  3. Step 3: Cross multiply
    52.98x = 73.19 × 50.76
  4. Step 4: Simplify right side
    52.98x = 3,714.87
  5. Step 5: Solve for x
    x = 3,714.87/52.98
  6. Step 6: Final answer
    x = 70.12

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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.