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Finding the Fourth Proportional to 9.57, 14.34 and 4.76

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Solution

The fourth proportional to 9.57, 14.34 and 4.76 is: 7.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.57 : 14.34 = 4.76 : x
  2. Step 2: Convert to fraction form
    9.57/14.34 = 4.76/x
  3. Step 3: Cross multiply
    9.57x = 14.34 × 4.76
  4. Step 4: Simplify right side
    9.57x = 68.26
  5. Step 5: Solve for x
    x = 68.26/9.57
  6. Step 6: Final answer
    x = 7.13

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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.