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Finding the Fourth Proportional to 16,858.73, 25,290.73 and 7,502.02

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Solution

The fourth proportional to 16,858.73, 25,290.73 and 7,502.02 is: 11,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.73 : 25,290.73 = 7,502.02 : x
  2. Step 2: Convert to fraction form
    16,858.73/25,290.73 = 7,502.02/x
  3. Step 3: Cross multiply
    16,858.73x = 25,290.73 × 7,502.02
  4. Step 4: Simplify right side
    16,858.73x = 189,731,562.27
  5. Step 5: Solve for x
    x = 189,731,562.27/16,858.73
  6. Step 6: Final answer
    x = 11,254.20

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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.