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Finding the Fourth Proportional to 16,700.40, 25,043.22 and 5,011.38

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Solution

The fourth proportional to 16,700.40, 25,043.22 and 5,011.38 is: 7,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.40 : 25,043.22 = 5,011.38 : x
  2. Step 2: Convert to fraction form
    16,700.40/25,043.22 = 5,011.38/x
  3. Step 3: Cross multiply
    16,700.40x = 25,043.22 × 5,011.38
  4. Step 4: Simplify right side
    16,700.40x = 125,501,091.84
  5. Step 5: Solve for x
    x = 125,501,091.84/16,700.40
  6. Step 6: Final answer
    x = 7,514.86

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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.