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Finding the Fourth Proportional to 55.64, 83.37 and 41.99

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Solution

The fourth proportional to 55.64, 83.37 and 41.99 is: 62.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.64 : 83.37 = 41.99 : x
  2. Step 2: Convert to fraction form
    55.64/83.37 = 41.99/x
  3. Step 3: Cross multiply
    55.64x = 83.37 × 41.99
  4. Step 4: Simplify right side
    55.64x = 3,500.71
  5. Step 5: Solve for x
    x = 3,500.71/55.64
  6. Step 6: Final answer
    x = 62.92

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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.