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Finding the Fourth Proportional to 50.58, 75.76 and 32.46

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Solution

The fourth proportional to 50.58, 75.76 and 32.46 is: 48.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.58 : 75.76 = 32.46 : x
  2. Step 2: Convert to fraction form
    50.58/75.76 = 32.46/x
  3. Step 3: Cross multiply
    50.58x = 75.76 × 32.46
  4. Step 4: Simplify right side
    50.58x = 2,459.17
  5. Step 5: Solve for x
    x = 2,459.17/50.58
  6. Step 6: Final answer
    x = 48.62

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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.