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Finding the Fourth Proportional to 56,797.92, 85,194.18 and 19,356.48

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Solution

The fourth proportional to 56,797.92, 85,194.18 and 19,356.48 is: 29,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.92 : 85,194.18 = 19,356.48 : x
  2. Step 2: Convert to fraction form
    56,797.92/85,194.18 = 19,356.48/x
  3. Step 3: Cross multiply
    56,797.92x = 85,194.18 × 19,356.48
  4. Step 4: Simplify right side
    56,797.92x = 1,649,059,441.29
  5. Step 5: Solve for x
    x = 1,649,059,441.29/56,797.92
  6. Step 6: Final answer
    x = 29,033.80

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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.