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Finding the Fourth Proportional to 69.95, 96.54 and 44.07

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Solution

The fourth proportional to 69.95, 96.54 and 44.07 is: 60.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.95 : 96.54 = 44.07 : x
  2. Step 2: Convert to fraction form
    69.95/96.54 = 44.07/x
  3. Step 3: Cross multiply
    69.95x = 96.54 × 44.07
  4. Step 4: Simplify right side
    69.95x = 4,254.52
  5. Step 5: Solve for x
    x = 4,254.52/69.95
  6. Step 6: Final answer
    x = 60.83

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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.