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Finding the Fourth Proportional to 28,092.63, 42,124.73 and 9,366.11

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Solution

The fourth proportional to 28,092.63, 42,124.73 and 9,366.11 is: 14,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.63 : 42,124.73 = 9,366.11 : x
  2. Step 2: Convert to fraction form
    28,092.63/42,124.73 = 9,366.11/x
  3. Step 3: Cross multiply
    28,092.63x = 42,124.73 × 9,366.11
  4. Step 4: Simplify right side
    28,092.63x = 394,544,667.69
  5. Step 5: Solve for x
    x = 394,544,667.69/28,092.63
  6. Step 6: Final answer
    x = 14,044.42

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1.5x scale

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.