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Finding the Fourth Proportional to 57,879.02, 86,825.55 and 16,326.02

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Solution

The fourth proportional to 57,879.02, 86,825.55 and 16,326.02 is: 24,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.02 : 86,825.55 = 16,326.02 : x
  2. Step 2: Convert to fraction form
    57,879.02/86,825.55 = 16,326.02/x
  3. Step 3: Cross multiply
    57,879.02x = 86,825.55 × 16,326.02
  4. Step 4: Simplify right side
    57,879.02x = 1,417,515,665.81
  5. Step 5: Solve for x
    x = 1,417,515,665.81/57,879.02
  6. Step 6: Final answer
    x = 24,491.01

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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.