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Finding the Fourth Proportional to 56,393.92, 84,583.59 and 26,830.54

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Solution

The fourth proportional to 56,393.92, 84,583.59 and 26,830.54 is: 40,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,393.92 : 84,583.59 = 26,830.54 : x
  2. Step 2: Convert to fraction form
    56,393.92/84,583.59 = 26,830.54/x
  3. Step 3: Cross multiply
    56,393.92x = 84,583.59 × 26,830.54
  4. Step 4: Simplify right side
    56,393.92x = 2,269,423,394.84
  5. Step 5: Solve for x
    x = 2,269,423,394.84/56,393.92
  6. Step 6: Final answer
    x = 40,242.34

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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.