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Finding the Fourth Proportional to 58,801.87, 81,148.40 and 33,659.47

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Solution

The fourth proportional to 58,801.87, 81,148.40 and 33,659.47 is: 46,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.87 : 81,148.40 = 33,659.47 : x
  2. Step 2: Convert to fraction form
    58,801.87/81,148.40 = 33,659.47/x
  3. Step 3: Cross multiply
    58,801.87x = 81,148.40 × 33,659.47
  4. Step 4: Simplify right side
    58,801.87x = 2,731,412,135.35
  5. Step 5: Solve for x
    x = 2,731,412,135.35/58,801.87
  6. Step 6: Final answer
    x = 46,451.11

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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.