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Finding the Fourth Proportional to 62.58, 93.84 and 48.16

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Solution

The fourth proportional to 62.58, 93.84 and 48.16 is: 72.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.58 : 93.84 = 48.16 : x
  2. Step 2: Convert to fraction form
    62.58/93.84 = 48.16/x
  3. Step 3: Cross multiply
    62.58x = 93.84 × 48.16
  4. Step 4: Simplify right side
    62.58x = 4,519.33
  5. Step 5: Solve for x
    x = 4,519.33/62.58
  6. Step 6: Final answer
    x = 72.22

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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.