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Finding the Fourth Proportional to 69.55, 96.03 and 44.98

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Solution

The fourth proportional to 69.55, 96.03 and 44.98 is: 62.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.55 : 96.03 = 44.98 : x
  2. Step 2: Convert to fraction form
    69.55/96.03 = 44.98/x
  3. Step 3: Cross multiply
    69.55x = 96.03 × 44.98
  4. Step 4: Simplify right side
    69.55x = 4,319.19
  5. Step 5: Solve for x
    x = 4,319.19/69.55
  6. Step 6: Final answer
    x = 62.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.