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Finding the Fourth Proportional to 62.21, 93.36 and 59.08

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Solution

The fourth proportional to 62.21, 93.36 and 59.08 is: 88.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.21 : 93.36 = 59.08 : x
  2. Step 2: Convert to fraction form
    62.21/93.36 = 59.08/x
  3. Step 3: Cross multiply
    62.21x = 93.36 × 59.08
  4. Step 4: Simplify right side
    62.21x = 5,515.71
  5. Step 5: Solve for x
    x = 5,515.71/62.21
  6. Step 6: Final answer
    x = 88.66

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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.