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Finding the Fourth Proportional to 56,273.48, 84,291.12 and 36,493.28

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Solution

The fourth proportional to 56,273.48, 84,291.12 and 36,493.28 is: 54,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.48 : 84,291.12 = 36,493.28 : x
  2. Step 2: Convert to fraction form
    56,273.48/84,291.12 = 36,493.28/x
  3. Step 3: Cross multiply
    56,273.48x = 84,291.12 × 36,493.28
  4. Step 4: Simplify right side
    56,273.48x = 3,076,059,443.67
  5. Step 5: Solve for x
    x = 3,076,059,443.67/56,273.48
  6. Step 6: Final answer
    x = 54,662.68

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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.