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Finding the Fourth Proportional to 32.56, 48.86 and 19.06

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Solution

The fourth proportional to 32.56, 48.86 and 19.06 is: 28.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.56 : 48.86 = 19.06 : x
  2. Step 2: Convert to fraction form
    32.56/48.86 = 19.06/x
  3. Step 3: Cross multiply
    32.56x = 48.86 × 19.06
  4. Step 4: Simplify right side
    32.56x = 931.27
  5. Step 5: Solve for x
    x = 931.27/32.56
  6. Step 6: Final answer
    x = 28.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.