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Finding the Fourth Proportional to 9,939.64, 14,910.18 and 3,014.68

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Solution

The fourth proportional to 9,939.64, 14,910.18 and 3,014.68 is: 4,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.64 : 14,910.18 = 3,014.68 : x
  2. Step 2: Convert to fraction form
    9,939.64/14,910.18 = 3,014.68/x
  3. Step 3: Cross multiply
    9,939.64x = 14,910.18 × 3,014.68
  4. Step 4: Simplify right side
    9,939.64x = 44,949,421.44
  5. Step 5: Solve for x
    x = 44,949,421.44/9,939.64
  6. Step 6: Final answer
    x = 4,522.24

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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.