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Finding the Fourth Proportional to 15,100.20, 22,674.60 and 10,969.20

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Solution

The fourth proportional to 15,100.20, 22,674.60 and 10,969.20 is: 16,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.20 : 22,674.60 = 10,969.20 : x
  2. Step 2: Convert to fraction form
    15,100.20/22,674.60 = 10,969.20/x
  3. Step 3: Cross multiply
    15,100.20x = 22,674.60 × 10,969.20
  4. Step 4: Simplify right side
    15,100.20x = 248,722,222.32
  5. Step 5: Solve for x
    x = 248,722,222.32/15,100.20
  6. Step 6: Final answer
    x = 16,471.45

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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.