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Finding the Fourth Proportional to 35.85, 53.73 and 29.46

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Solution

The fourth proportional to 35.85, 53.73 and 29.46 is: 44.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.85 : 53.73 = 29.46 : x
  2. Step 2: Convert to fraction form
    35.85/53.73 = 29.46/x
  3. Step 3: Cross multiply
    35.85x = 53.73 × 29.46
  4. Step 4: Simplify right side
    35.85x = 1,582.89
  5. Step 5: Solve for x
    x = 1,582.89/35.85
  6. Step 6: Final answer
    x = 44.15

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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.