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Finding the Fourth Proportional to 44.18, 66.29 and 29.00

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Solution

The fourth proportional to 44.18, 66.29 and 29.00 is: 43.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.18 : 66.29 = 29.00 : x
  2. Step 2: Convert to fraction form
    44.18/66.29 = 29.00/x
  3. Step 3: Cross multiply
    44.18x = 66.29 × 29.00
  4. Step 4: Simplify right side
    44.18x = 1,921.93
  5. Step 5: Solve for x
    x = 1,921.93/44.18
  6. Step 6: Final answer
    x = 43.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.