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Finding the Fourth Proportional to 35.18, 52.73 and 14.87

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Solution

The fourth proportional to 35.18, 52.73 and 14.87 is: 22.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.18 : 52.73 = 14.87 : x
  2. Step 2: Convert to fraction form
    35.18/52.73 = 14.87/x
  3. Step 3: Cross multiply
    35.18x = 52.73 × 14.87
  4. Step 4: Simplify right side
    35.18x = 783.76
  5. Step 5: Solve for x
    x = 783.76/35.18
  6. Step 6: Final answer
    x = 22.28

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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.