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Finding the Fourth Proportional to 57,251.61, 85,850.08 and 17,809.07

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Solution

The fourth proportional to 57,251.61, 85,850.08 and 17,809.07 is: 26,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.61 : 85,850.08 = 17,809.07 : x
  2. Step 2: Convert to fraction form
    57,251.61/85,850.08 = 17,809.07/x
  3. Step 3: Cross multiply
    57,251.61x = 85,850.08 × 17,809.07
  4. Step 4: Simplify right side
    57,251.61x = 1,528,909,610.45
  5. Step 5: Solve for x
    x = 1,528,909,610.45/57,251.61
  6. Step 6: Final answer
    x = 26,705.09

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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.