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Finding the Fourth Proportional to 59.94, 89.76 and 46.30

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Solution

The fourth proportional to 59.94, 89.76 and 46.30 is: 69.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.94 : 89.76 = 46.30 : x
  2. Step 2: Convert to fraction form
    59.94/89.76 = 46.30/x
  3. Step 3: Cross multiply
    59.94x = 89.76 × 46.30
  4. Step 4: Simplify right side
    59.94x = 4,155.89
  5. Step 5: Solve for x
    x = 4,155.89/59.94
  6. Step 6: Final answer
    x = 69.33

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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.