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Finding the Fourth Proportional to 22,567.86, 33,871.23 and 10,890.90

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Solution

The fourth proportional to 22,567.86, 33,871.23 and 10,890.90 is: 16,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,567.86 : 33,871.23 = 10,890.90 : x
  2. Step 2: Convert to fraction form
    22,567.86/33,871.23 = 10,890.90/x
  3. Step 3: Cross multiply
    22,567.86x = 33,871.23 × 10,890.90
  4. Step 4: Simplify right side
    22,567.86x = 368,888,178.81
  5. Step 5: Solve for x
    x = 368,888,178.81/22,567.86
  6. Step 6: Final answer
    x = 16,345.73

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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.