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Finding the Fourth Proportional to 62.58, 93.99 and 55.44

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Solution

The fourth proportional to 62.58, 93.99 and 55.44 is: 83.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.58 : 93.99 = 55.44 : x
  2. Step 2: Convert to fraction form
    62.58/93.99 = 55.44/x
  3. Step 3: Cross multiply
    62.58x = 93.99 × 55.44
  4. Step 4: Simplify right side
    62.58x = 5,210.81
  5. Step 5: Solve for x
    x = 5,210.81/62.58
  6. Step 6: Final answer
    x = 83.27

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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.