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Finding the Fourth Proportional to 56,762.67, 85,143.96 and 26,769.91

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Solution

The fourth proportional to 56,762.67, 85,143.96 and 26,769.91 is: 40,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.67 : 85,143.96 = 26,769.91 : x
  2. Step 2: Convert to fraction form
    56,762.67/85,143.96 = 26,769.91/x
  3. Step 3: Cross multiply
    56,762.67x = 85,143.96 × 26,769.91
  4. Step 4: Simplify right side
    56,762.67x = 2,279,296,146.24
  5. Step 5: Solve for x
    x = 2,279,296,146.24/56,762.67
  6. Step 6: Final answer
    x = 40,154.84

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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.