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Finding the Fourth Proportional to 45.58, 62.87 and 32.46

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Solution

The fourth proportional to 45.58, 62.87 and 32.46 is: 44.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.58 : 62.87 = 32.46 : x
  2. Step 2: Convert to fraction form
    45.58/62.87 = 32.46/x
  3. Step 3: Cross multiply
    45.58x = 62.87 × 32.46
  4. Step 4: Simplify right side
    45.58x = 2,040.60
  5. Step 5: Solve for x
    x = 2,040.60/45.58
  6. Step 6: Final answer
    x = 44.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.