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Finding the Fourth Proportional to 3.02, 4.54 and 2.93

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Solution

The fourth proportional to 3.02, 4.54 and 2.93 is: 4.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.02 : 4.54 = 2.93 : x
  2. Step 2: Convert to fraction form
    3.02/4.54 = 2.93/x
  3. Step 3: Cross multiply
    3.02x = 4.54 × 2.93
  4. Step 4: Simplify right side
    3.02x = 13.30
  5. Step 5: Solve for x
    x = 13.30/3.02
  6. Step 6: Final answer
    x = 4.40

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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.