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Finding the Fourth Proportional to 76.02, 104.93 and 46.53

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Solution

The fourth proportional to 76.02, 104.93 and 46.53 is: 64.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.02 : 104.93 = 46.53 : x
  2. Step 2: Convert to fraction form
    76.02/104.93 = 46.53/x
  3. Step 3: Cross multiply
    76.02x = 104.93 × 46.53
  4. Step 4: Simplify right side
    76.02x = 4,882.16
  5. Step 5: Solve for x
    x = 4,882.16/76.02
  6. Step 6: Final answer
    x = 64.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.