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Finding the Fourth Proportional to 4.84, 7.30 and 4.66

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Solution

The fourth proportional to 4.84, 7.30 and 4.66 is: 7.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.84 : 7.30 = 4.66 : x
  2. Step 2: Convert to fraction form
    4.84/7.30 = 4.66/x
  3. Step 3: Cross multiply
    4.84x = 7.30 × 4.66
  4. Step 4: Simplify right side
    4.84x = 34.02
  5. Step 5: Solve for x
    x = 34.02/4.84
  6. Step 6: Final answer
    x = 7.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.