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Finding the Fourth Proportional to 15,013.50, 22,520.25 and 4,069.50

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Solution

The fourth proportional to 15,013.50, 22,520.25 and 4,069.50 is: 6,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.50 : 22,520.25 = 4,069.50 : x
  2. Step 2: Convert to fraction form
    15,013.50/22,520.25 = 4,069.50/x
  3. Step 3: Cross multiply
    15,013.50x = 22,520.25 × 4,069.50
  4. Step 4: Simplify right side
    15,013.50x = 91,646,157.38
  5. Step 5: Solve for x
    x = 91,646,157.38/15,013.50
  6. Step 6: Final answer
    x = 6,104.25

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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.