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Finding the Fourth Proportional to 40,937.72, 56,490.06 and 23,032.34

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Solution

The fourth proportional to 40,937.72, 56,490.06 and 23,032.34 is: 31,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.72 : 56,490.06 = 23,032.34 : x
  2. Step 2: Convert to fraction form
    40,937.72/56,490.06 = 23,032.34/x
  3. Step 3: Cross multiply
    40,937.72x = 56,490.06 × 23,032.34
  4. Step 4: Simplify right side
    40,937.72x = 1,301,098,268.54
  5. Step 5: Solve for x
    x = 1,301,098,268.54/40,937.72
  6. Step 6: Final answer
    x = 31,782.38

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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.