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Finding the Fourth Proportional to 56,548.81, 84,827.26 and 17,109.00

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Solution

The fourth proportional to 56,548.81, 84,827.26 and 17,109.00 is: 25,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,548.81 : 84,827.26 = 17,109.00 : x
  2. Step 2: Convert to fraction form
    56,548.81/84,827.26 = 17,109.00/x
  3. Step 3: Cross multiply
    56,548.81x = 84,827.26 × 17,109.00
  4. Step 4: Simplify right side
    56,548.81x = 1,451,309,167.20
  5. Step 5: Solve for x
    x = 1,451,309,167.20/56,548.81
  6. Step 6: Final answer
    x = 25,664.72

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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.