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Finding the Fourth Proportional to 11,344.56, 15,662.88 and 10,560.48

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Solution

The fourth proportional to 11,344.56, 15,662.88 and 10,560.48 is: 14,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.56 : 15,662.88 = 10,560.48 : x
  2. Step 2: Convert to fraction form
    11,344.56/15,662.88 = 10,560.48/x
  3. Step 3: Cross multiply
    11,344.56x = 15,662.88 × 10,560.48
  4. Step 4: Simplify right side
    11,344.56x = 165,407,530.98
  5. Step 5: Solve for x
    x = 165,407,530.98/11,344.56
  6. Step 6: Final answer
    x = 14,580.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.