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Finding the Fourth Proportional to 16,815.11, 25,224.11 and 4,335.02

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Solution

The fourth proportional to 16,815.11, 25,224.11 and 4,335.02 is: 6,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.11 : 25,224.11 = 4,335.02 : x
  2. Step 2: Convert to fraction form
    16,815.11/25,224.11 = 4,335.02/x
  3. Step 3: Cross multiply
    16,815.11x = 25,224.11 × 4,335.02
  4. Step 4: Simplify right side
    16,815.11x = 109,347,130.91
  5. Step 5: Solve for x
    x = 109,347,130.91/16,815.11
  6. Step 6: Final answer
    x = 6,502.91

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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.