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Finding the Fourth Proportional to 32.50, 48.74 and 9.67

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Solution

The fourth proportional to 32.50, 48.74 and 9.67 is: 14.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.50 : 48.74 = 9.67 : x
  2. Step 2: Convert to fraction form
    32.50/48.74 = 9.67/x
  3. Step 3: Cross multiply
    32.50x = 48.74 × 9.67
  4. Step 4: Simplify right side
    32.50x = 471.32
  5. Step 5: Solve for x
    x = 471.32/32.50
  6. Step 6: Final answer
    x = 14.50

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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.