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Finding the Fourth Proportional to 58,959.65, 81,362.66 and 33,117.54

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Solution

The fourth proportional to 58,959.65, 81,362.66 and 33,117.54 is: 45,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,959.65 : 81,362.66 = 33,117.54 : x
  2. Step 2: Convert to fraction form
    58,959.65/81,362.66 = 33,117.54/x
  3. Step 3: Cross multiply
    58,959.65x = 81,362.66 × 33,117.54
  4. Step 4: Simplify right side
    58,959.65x = 2,694,530,981.47
  5. Step 5: Solve for x
    x = 2,694,530,981.47/58,959.65
  6. Step 6: Final answer
    x = 45,701.28

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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.