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Finding the Fourth Proportional to 56,259.20, 84,401.60 and 32,873.60

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Solution

The fourth proportional to 56,259.20, 84,401.60 and 32,873.60 is: 49,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.20 : 84,401.60 = 32,873.60 : x
  2. Step 2: Convert to fraction form
    56,259.20/84,401.60 = 32,873.60/x
  3. Step 3: Cross multiply
    56,259.20x = 84,401.60 × 32,873.60
  4. Step 4: Simplify right side
    56,259.20x = 2,774,584,437.76
  5. Step 5: Solve for x
    x = 2,774,584,437.76/56,259.20
  6. Step 6: Final answer
    x = 49,317.88

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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.