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Finding the Fourth Proportional to 15,013.75, 22,520.63 and 4,069.75

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Solution

The fourth proportional to 15,013.75, 22,520.63 and 4,069.75 is: 6,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.75 : 22,520.63 = 4,069.75 : x
  2. Step 2: Convert to fraction form
    15,013.75/22,520.63 = 4,069.75/x
  3. Step 3: Cross multiply
    15,013.75x = 22,520.63 × 4,069.75
  4. Step 4: Simplify right side
    15,013.75x = 91,653,333.94
  5. Step 5: Solve for x
    x = 91,653,333.94/15,013.75
  6. Step 6: Final answer
    x = 6,104.63

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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.