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Finding the Fourth Proportional to 15,010.20, 22,512.60 and 9,453.60

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Solution

The fourth proportional to 15,010.20, 22,512.60 and 9,453.60 is: 14,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.20 : 22,512.60 = 9,453.60 : x
  2. Step 2: Convert to fraction form
    15,010.20/22,512.60 = 9,453.60/x
  3. Step 3: Cross multiply
    15,010.20x = 22,512.60 × 9,453.60
  4. Step 4: Simplify right side
    15,010.20x = 212,825,115.36
  5. Step 5: Solve for x
    x = 212,825,115.36/15,010.20
  6. Step 6: Final answer
    x = 14,178.70

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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.