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Finding the Fourth Proportional to 58,760.93, 81,089.82 and 31,903.22

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Solution

The fourth proportional to 58,760.93, 81,089.82 and 31,903.22 is: 44,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,760.93 : 81,089.82 = 31,903.22 : x
  2. Step 2: Convert to fraction form
    58,760.93/81,089.82 = 31,903.22/x
  3. Step 3: Cross multiply
    58,760.93x = 81,089.82 × 31,903.22
  4. Step 4: Simplify right side
    58,760.93x = 2,587,025,961.77
  5. Step 5: Solve for x
    x = 2,587,025,961.77/58,760.93
  6. Step 6: Final answer
    x = 44,026.30

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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.