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Finding the Fourth Proportional to 55,794.53, 83,697.31 and 18,339.41

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Solution

The fourth proportional to 55,794.53, 83,697.31 and 18,339.41 is: 27,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.53 : 83,697.31 = 18,339.41 : x
  2. Step 2: Convert to fraction form
    55,794.53/83,697.31 = 18,339.41/x
  3. Step 3: Cross multiply
    55,794.53x = 83,697.31 × 18,339.41
  4. Step 4: Simplify right side
    55,794.53x = 1,534,959,283.99
  5. Step 5: Solve for x
    x = 1,534,959,283.99/55,794.53
  6. Step 6: Final answer
    x = 27,510.93

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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.