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Finding the Fourth Proportional to 10,635.01, 15,960.71 and 8,560.09

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Solution

The fourth proportional to 10,635.01, 15,960.71 and 8,560.09 is: 12,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.01 : 15,960.71 = 8,560.09 : x
  2. Step 2: Convert to fraction form
    10,635.01/15,960.71 = 8,560.09/x
  3. Step 3: Cross multiply
    10,635.01x = 15,960.71 × 8,560.09
  4. Step 4: Simplify right side
    10,635.01x = 136,625,155.42
  5. Step 5: Solve for x
    x = 136,625,155.42/10,635.01
  6. Step 6: Final answer
    x = 12,846.74

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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.