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Finding the Fourth Proportional to 56,390.34, 84,621.96 and 26,841.54

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Solution

The fourth proportional to 56,390.34, 84,621.96 and 26,841.54 is: 40,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,390.34 : 84,621.96 = 26,841.54 : x
  2. Step 2: Convert to fraction form
    56,390.34/84,621.96 = 26,841.54/x
  3. Step 3: Cross multiply
    56,390.34x = 84,621.96 × 26,841.54
  4. Step 4: Simplify right side
    56,390.34x = 2,271,383,724.22
  5. Step 5: Solve for x
    x = 2,271,383,724.22/56,390.34
  6. Step 6: Final answer
    x = 40,279.66

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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.