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Finding the Fourth Proportional to 56,844.92, 85,267.54 and 19,900.28

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Solution

The fourth proportional to 56,844.92, 85,267.54 and 19,900.28 is: 29,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,844.92 : 85,267.54 = 19,900.28 : x
  2. Step 2: Convert to fraction form
    56,844.92/85,267.54 = 19,900.28/x
  3. Step 3: Cross multiply
    56,844.92x = 85,267.54 × 19,900.28
  4. Step 4: Simplify right side
    56,844.92x = 1,696,847,920.91
  5. Step 5: Solve for x
    x = 1,696,847,920.91/56,844.92
  6. Step 6: Final answer
    x = 29,850.48

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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.