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Finding the Fourth Proportional to 55,643.54, 83,479 and 16,201.02

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Solution

The fourth proportional to 55,643.54, 83,479 and 16,201.02 is: 24,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.54 : 83,479 = 16,201.02 : x
  2. Step 2: Convert to fraction form
    55,643.54/83,479 = 16,201.02/x
  3. Step 3: Cross multiply
    55,643.54x = 83,479 × 16,201.02
  4. Step 4: Simplify right side
    55,643.54x = 1,352,444,948.58
  5. Step 5: Solve for x
    x = 1,352,444,948.58/55,643.54
  6. Step 6: Final answer
    x = 24,305.52

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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.