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Finding the Fourth Proportional to 9,919.87, 14,878.08 and 3,256.27

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Solution

The fourth proportional to 9,919.87, 14,878.08 and 3,256.27 is: 4,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.87 : 14,878.08 = 3,256.27 : x
  2. Step 2: Convert to fraction form
    9,919.87/14,878.08 = 3,256.27/x
  3. Step 3: Cross multiply
    9,919.87x = 14,878.08 × 3,256.27
  4. Step 4: Simplify right side
    9,919.87x = 48,447,008.37
  5. Step 5: Solve for x
    x = 48,447,008.37/9,919.87
  6. Step 6: Final answer
    x = 4,883.84

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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.