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Finding the Fourth Proportional to 58.88, 88.08 and 50.34

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Solution

The fourth proportional to 58.88, 88.08 and 50.34 is: 75.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.88 : 88.08 = 50.34 : x
  2. Step 2: Convert to fraction form
    58.88/88.08 = 50.34/x
  3. Step 3: Cross multiply
    58.88x = 88.08 × 50.34
  4. Step 4: Simplify right side
    58.88x = 4,433.95
  5. Step 5: Solve for x
    x = 4,433.95/58.88
  6. Step 6: Final answer
    x = 75.31

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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.