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Finding the Fourth Proportional to 57,390.68, 86,094.92 and 29,295.51

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Solution

The fourth proportional to 57,390.68, 86,094.92 and 29,295.51 is: 43,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.68 : 86,094.92 = 29,295.51 : x
  2. Step 2: Convert to fraction form
    57,390.68/86,094.92 = 29,295.51/x
  3. Step 3: Cross multiply
    57,390.68x = 86,094.92 × 29,295.51
  4. Step 4: Simplify right side
    57,390.68x = 2,522,194,443.33
  5. Step 5: Solve for x
    x = 2,522,194,443.33/57,390.68
  6. Step 6: Final answer
    x = 43,947.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.