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Finding the Fourth Proportional to 58.35, 87.56 and 29.46

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Solution

The fourth proportional to 58.35, 87.56 and 29.46 is: 44.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.35 : 87.56 = 29.46 : x
  2. Step 2: Convert to fraction form
    58.35/87.56 = 29.46/x
  3. Step 3: Cross multiply
    58.35x = 87.56 × 29.46
  4. Step 4: Simplify right side
    58.35x = 2,579.73
  5. Step 5: Solve for x
    x = 2,579.73/58.35
  6. Step 6: Final answer
    x = 44.21

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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.