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Finding the Fourth Proportional to 52.96, 79.29 and 44.77

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Solution

The fourth proportional to 52.96, 79.29 and 44.77 is: 67.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.96 : 79.29 = 44.77 : x
  2. Step 2: Convert to fraction form
    52.96/79.29 = 44.77/x
  3. Step 3: Cross multiply
    52.96x = 79.29 × 44.77
  4. Step 4: Simplify right side
    52.96x = 3,549.81
  5. Step 5: Solve for x
    x = 3,549.81/52.96
  6. Step 6: Final answer
    x = 67.03

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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.