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Finding the Fourth Proportional to 64.02, 95.94 and 36.98

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Solution

The fourth proportional to 64.02, 95.94 and 36.98 is: 55.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.02 : 95.94 = 36.98 : x
  2. Step 2: Convert to fraction form
    64.02/95.94 = 36.98/x
  3. Step 3: Cross multiply
    64.02x = 95.94 × 36.98
  4. Step 4: Simplify right side
    64.02x = 3,547.38
  5. Step 5: Solve for x
    x = 3,547.38/64.02
  6. Step 6: Final answer
    x = 55.41

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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.