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Finding the Fourth Proportional to 58,782.47, 81,124.81 and 33,293.37

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Solution

The fourth proportional to 58,782.47, 81,124.81 and 33,293.37 is: 45,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,782.47 : 81,124.81 = 33,293.37 : x
  2. Step 2: Convert to fraction form
    58,782.47/81,124.81 = 33,293.37/x
  3. Step 3: Cross multiply
    58,782.47x = 81,124.81 × 33,293.37
  4. Step 4: Simplify right side
    58,782.47x = 2,700,918,440.36
  5. Step 5: Solve for x
    x = 2,700,918,440.36/58,782.47
  6. Step 6: Final answer
    x = 45,947.68

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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.