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Finding the Fourth Proportional to 4.76, 6.57 and 4.16

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Solution

The fourth proportional to 4.76, 6.57 and 4.16 is: 5.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.76 : 6.57 = 4.16 : x
  2. Step 2: Convert to fraction form
    4.76/6.57 = 4.16/x
  3. Step 3: Cross multiply
    4.76x = 6.57 × 4.16
  4. Step 4: Simplify right side
    4.76x = 27.30
  5. Step 5: Solve for x
    x = 27.30/4.76
  6. Step 6: Final answer
    x = 5.74

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Find fourth proportional to 2.38, 3.29 and 2.08
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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.