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Finding the Fourth Proportional to 9,637.44, 14,453.28 and 3,480

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Solution

The fourth proportional to 9,637.44, 14,453.28 and 3,480 is: 5,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.44 : 14,453.28 = 3,480 : x
  2. Step 2: Convert to fraction form
    9,637.44/14,453.28 = 3,480/x
  3. Step 3: Cross multiply
    9,637.44x = 14,453.28 × 3,480
  4. Step 4: Simplify right side
    9,637.44x = 50,297,414.40
  5. Step 5: Solve for x
    x = 50,297,414.40/9,637.44
  6. Step 6: Final answer
    x = 5,218.96

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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.