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Finding the Fourth Proportional to 10,169.60, 15,224.70 and 7,253.60

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Solution

The fourth proportional to 10,169.60, 15,224.70 and 7,253.60 is: 10,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.60 : 15,224.70 = 7,253.60 : x
  2. Step 2: Convert to fraction form
    10,169.60/15,224.70 = 7,253.60/x
  3. Step 3: Cross multiply
    10,169.60x = 15,224.70 × 7,253.60
  4. Step 4: Simplify right side
    10,169.60x = 110,433,883.92
  5. Step 5: Solve for x
    x = 110,433,883.92/10,169.60
  6. Step 6: Final answer
    x = 10,859.22

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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.