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Finding the Fourth Proportional to 40,944.61, 56,502.90 and 23,039.61

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Solution

The fourth proportional to 40,944.61, 56,502.90 and 23,039.61 is: 31,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.61 : 56,502.90 = 23,039.61 : x
  2. Step 2: Convert to fraction form
    40,944.61/56,502.90 = 23,039.61/x
  3. Step 3: Cross multiply
    40,944.61x = 56,502.90 × 23,039.61
  4. Step 4: Simplify right side
    40,944.61x = 1,301,804,779.87
  5. Step 5: Solve for x
    x = 1,301,804,779.87/40,944.61
  6. Step 6: Final answer
    x = 31,794.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.