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Finding the Fourth Proportional to 44.29, 66.12 and 34.16

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Solution

The fourth proportional to 44.29, 66.12 and 34.16 is: 51.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.29 : 66.12 = 34.16 : x
  2. Step 2: Convert to fraction form
    44.29/66.12 = 34.16/x
  3. Step 3: Cross multiply
    44.29x = 66.12 × 34.16
  4. Step 4: Simplify right side
    44.29x = 2,258.82
  5. Step 5: Solve for x
    x = 2,258.82/44.29
  6. Step 6: Final answer
    x = 51.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.