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Finding the Fourth Proportional to 70.46, 97.19 and 44.23

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Solution

The fourth proportional to 70.46, 97.19 and 44.23 is: 61.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.46 : 97.19 = 44.23 : x
  2. Step 2: Convert to fraction form
    70.46/97.19 = 44.23/x
  3. Step 3: Cross multiply
    70.46x = 97.19 × 44.23
  4. Step 4: Simplify right side
    70.46x = 4,298.71
  5. Step 5: Solve for x
    x = 4,298.71/70.46
  6. Step 6: Final answer
    x = 61.01

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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.