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Finding the Fourth Proportional to 55,805.68, 83,720.22 and 16,359.58

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Solution

The fourth proportional to 55,805.68, 83,720.22 and 16,359.58 is: 24,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.68 : 83,720.22 = 16,359.58 : x
  2. Step 2: Convert to fraction form
    55,805.68/83,720.22 = 16,359.58/x
  3. Step 3: Cross multiply
    55,805.68x = 83,720.22 × 16,359.58
  4. Step 4: Simplify right side
    55,805.68x = 1,369,627,636.71
  5. Step 5: Solve for x
    x = 1,369,627,636.71/55,805.68
  6. Step 6: Final answer
    x = 24,542.80

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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.