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Finding the Fourth Proportional to 16,803.44, 25,214.76 and 16,764.08

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Solution

The fourth proportional to 16,803.44, 25,214.76 and 16,764.08 is: 25,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.44 : 25,214.76 = 16,764.08 : x
  2. Step 2: Convert to fraction form
    16,803.44/25,214.76 = 16,764.08/x
  3. Step 3: Cross multiply
    16,803.44x = 25,214.76 × 16,764.08
  4. Step 4: Simplify right side
    16,803.44x = 422,702,253.82
  5. Step 5: Solve for x
    x = 422,702,253.82/16,803.44
  6. Step 6: Final answer
    x = 25,155.70

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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.