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Finding the Fourth Proportional to 3.45, 4.73 and 3.04

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Solution

The fourth proportional to 3.45, 4.73 and 3.04 is: 4.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.45 : 4.73 = 3.04 : x
  2. Step 2: Convert to fraction form
    3.45/4.73 = 3.04/x
  3. Step 3: Cross multiply
    3.45x = 4.73 × 3.04
  4. Step 4: Simplify right side
    3.45x = 14.38
  5. Step 5: Solve for x
    x = 14.38/3.45
  6. Step 6: Final answer
    x = 4.17

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Find fourth proportional to 1.73, 2.37 and 1.52
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.