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Finding the Fourth Proportional to 56,650.86, 84,976.28 and 26,978.74

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Solution

The fourth proportional to 56,650.86, 84,976.28 and 26,978.74 is: 40,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.86 : 84,976.28 = 26,978.74 : x
  2. Step 2: Convert to fraction form
    56,650.86/84,976.28 = 26,978.74/x
  3. Step 3: Cross multiply
    56,650.86x = 84,976.28 × 26,978.74
  4. Step 4: Simplify right side
    56,650.86x = 2,292,552,964.29
  5. Step 5: Solve for x
    x = 2,292,552,964.29/56,650.86
  6. Step 6: Final answer
    x = 40,468.11

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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.