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Finding the Fourth Proportional to 56,263.86, 84,321.27 and 29,911.86

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Solution

The fourth proportional to 56,263.86, 84,321.27 and 29,911.86 is: 44,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.86 : 84,321.27 = 29,911.86 : x
  2. Step 2: Convert to fraction form
    56,263.86/84,321.27 = 29,911.86/x
  3. Step 3: Cross multiply
    56,263.86x = 84,321.27 × 29,911.86
  4. Step 4: Simplify right side
    56,263.86x = 2,522,206,023.26
  5. Step 5: Solve for x
    x = 2,522,206,023.26/56,263.86
  6. Step 6: Final answer
    x = 44,828.17

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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.