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Finding the Fourth Proportional to 15,059.48, 22,589.94 and 7,274.84

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Solution

The fourth proportional to 15,059.48, 22,589.94 and 7,274.84 is: 10,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.48 : 22,589.94 = 7,274.84 : x
  2. Step 2: Convert to fraction form
    15,059.48/22,589.94 = 7,274.84/x
  3. Step 3: Cross multiply
    15,059.48x = 22,589.94 × 7,274.84
  4. Step 4: Simplify right side
    15,059.48x = 164,338,199.11
  5. Step 5: Solve for x
    x = 164,338,199.11/15,059.48
  6. Step 6: Final answer
    x = 10,912.61

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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.