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Finding the Fourth Proportional to 59.55, 89.28 and 32.46

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Solution

The fourth proportional to 59.55, 89.28 and 32.46 is: 48.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.55 : 89.28 = 32.46 : x
  2. Step 2: Convert to fraction form
    59.55/89.28 = 32.46/x
  3. Step 3: Cross multiply
    59.55x = 89.28 × 32.46
  4. Step 4: Simplify right side
    59.55x = 2,898.03
  5. Step 5: Solve for x
    x = 2,898.03/59.55
  6. Step 6: Final answer
    x = 48.67

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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.