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Finding the Fourth Proportional to 56,293.88, 84,440.90 and 14,173.97

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Solution

The fourth proportional to 56,293.88, 84,440.90 and 14,173.97 is: 21,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,293.88 : 84,440.90 = 14,173.97 : x
  2. Step 2: Convert to fraction form
    56,293.88/84,440.90 = 14,173.97/x
  3. Step 3: Cross multiply
    56,293.88x = 84,440.90 × 14,173.97
  4. Step 4: Simplify right side
    56,293.88x = 1,196,862,290.30
  5. Step 5: Solve for x
    x = 1,196,862,290.30/56,293.88
  6. Step 6: Final answer
    x = 21,260.97

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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.