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Finding the Fourth Proportional to 60,945.66, 84,112.80 and 34,089.66

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Solution

The fourth proportional to 60,945.66, 84,112.80 and 34,089.66 is: 47,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,945.66 : 84,112.80 = 34,089.66 : x
  2. Step 2: Convert to fraction form
    60,945.66/84,112.80 = 34,089.66/x
  3. Step 3: Cross multiply
    60,945.66x = 84,112.80 × 34,089.66
  4. Step 4: Simplify right side
    60,945.66x = 2,867,376,753.65
  5. Step 5: Solve for x
    x = 2,867,376,753.65/60,945.66
  6. Step 6: Final answer
    x = 47,048.09

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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.