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Finding the Fourth Proportional to 4.64, 7.02 and 4.62

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Solution

The fourth proportional to 4.64, 7.02 and 4.62 is: 7.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.64 : 7.02 = 4.62 : x
  2. Step 2: Convert to fraction form
    4.64/7.02 = 4.62/x
  3. Step 3: Cross multiply
    4.64x = 7.02 × 4.62
  4. Step 4: Simplify right side
    4.64x = 32.43
  5. Step 5: Solve for x
    x = 32.43/4.64
  6. Step 6: Final answer
    x = 7.00

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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.