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Finding the Fourth Proportional to 56,693.10, 84,983.22 and 27,076.32

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Solution

The fourth proportional to 56,693.10, 84,983.22 and 27,076.32 is: 40,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.10 : 84,983.22 = 27,076.32 : x
  2. Step 2: Convert to fraction form
    56,693.10/84,983.22 = 27,076.32/x
  3. Step 3: Cross multiply
    56,693.10x = 84,983.22 × 27,076.32
  4. Step 4: Simplify right side
    56,693.10x = 2,301,032,859.35
  5. Step 5: Solve for x
    x = 2,301,032,859.35/56,693.10
  6. Step 6: Final answer
    x = 40,587.53

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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.