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Finding the Fourth Proportional to 58,876.76, 81,252.07 and 33,731.12

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Solution

The fourth proportional to 58,876.76, 81,252.07 and 33,731.12 is: 46,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,876.76 : 81,252.07 = 33,731.12 : x
  2. Step 2: Convert to fraction form
    58,876.76/81,252.07 = 33,731.12/x
  3. Step 3: Cross multiply
    58,876.76x = 81,252.07 × 33,731.12
  4. Step 4: Simplify right side
    58,876.76x = 2,740,723,442.22
  5. Step 5: Solve for x
    x = 2,740,723,442.22/58,876.76
  6. Step 6: Final answer
    x = 46,550.17

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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.