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Finding the Fourth Proportional to 9.59, 14.37 and 4.17

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Solution

The fourth proportional to 9.59, 14.37 and 4.17 is: 6.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.59 : 14.37 = 4.17 : x
  2. Step 2: Convert to fraction form
    9.59/14.37 = 4.17/x
  3. Step 3: Cross multiply
    9.59x = 14.37 × 4.17
  4. Step 4: Simplify right side
    9.59x = 59.96
  5. Step 5: Solve for x
    x = 59.96/9.59
  6. Step 6: Final answer
    x = 6.25

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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.