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Finding the Fourth Proportional to 59.63, 89.46 and 25.42

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Solution

The fourth proportional to 59.63, 89.46 and 25.42 is: 38.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.63 : 89.46 = 25.42 : x
  2. Step 2: Convert to fraction form
    59.63/89.46 = 25.42/x
  3. Step 3: Cross multiply
    59.63x = 89.46 × 25.42
  4. Step 4: Simplify right side
    59.63x = 2,274.07
  5. Step 5: Solve for x
    x = 2,274.07/59.63
  6. Step 6: Final answer
    x = 38.14

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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.