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Finding the Fourth Proportional to 56.07, 84.26 and 33.26

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Solution

The fourth proportional to 56.07, 84.26 and 33.26 is: 49.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.07 : 84.26 = 33.26 : x
  2. Step 2: Convert to fraction form
    56.07/84.26 = 33.26/x
  3. Step 3: Cross multiply
    56.07x = 84.26 × 33.26
  4. Step 4: Simplify right side
    56.07x = 2,802.32
  5. Step 5: Solve for x
    x = 2,802.32/56.07
  6. Step 6: Final answer
    x = 49.98

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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.