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Finding the Fourth Proportional to 56.18, 84.33 and 35.93

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Solution

The fourth proportional to 56.18, 84.33 and 35.93 is: 53.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.18 : 84.33 = 35.93 : x
  2. Step 2: Convert to fraction form
    56.18/84.33 = 35.93/x
  3. Step 3: Cross multiply
    56.18x = 84.33 × 35.93
  4. Step 4: Simplify right side
    56.18x = 3,029.56
  5. Step 5: Solve for x
    x = 3,029.56/56.18
  6. Step 6: Final answer
    x = 53.93

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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.