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Finding the Fourth Proportional to 59.21, 88.86 and 48.50

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Solution

The fourth proportional to 59.21, 88.86 and 48.50 is: 72.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.21 : 88.86 = 48.50 : x
  2. Step 2: Convert to fraction form
    59.21/88.86 = 48.50/x
  3. Step 3: Cross multiply
    59.21x = 88.86 × 48.50
  4. Step 4: Simplify right side
    59.21x = 4,309.71
  5. Step 5: Solve for x
    x = 4,309.71/59.21
  6. Step 6: Final answer
    x = 72.79

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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.