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Finding the Fourth Proportional to 58,743.70, 81,065.16 and 33,254.91

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Solution

The fourth proportional to 58,743.70, 81,065.16 and 33,254.91 is: 45,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.70 : 81,065.16 = 33,254.91 : x
  2. Step 2: Convert to fraction form
    58,743.70/81,065.16 = 33,254.91/x
  3. Step 3: Cross multiply
    58,743.70x = 81,065.16 × 33,254.91
  4. Step 4: Simplify right side
    58,743.70x = 2,695,814,599.94
  5. Step 5: Solve for x
    x = 2,695,814,599.94/58,743.70
  6. Step 6: Final answer
    x = 45,891.13

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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.