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Finding the Fourth Proportional to 70.04, 96.66 and 44.16

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Solution

The fourth proportional to 70.04, 96.66 and 44.16 is: 60.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.04 : 96.66 = 44.16 : x
  2. Step 2: Convert to fraction form
    70.04/96.66 = 44.16/x
  3. Step 3: Cross multiply
    70.04x = 96.66 × 44.16
  4. Step 4: Simplify right side
    70.04x = 4,268.51
  5. Step 5: Solve for x
    x = 4,268.51/70.04
  6. Step 6: Final answer
    x = 60.94

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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.