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Finding the Fourth Proportional to 9,560.66, 14,289.73 and 8,621.46

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Solution

The fourth proportional to 9,560.66, 14,289.73 and 8,621.46 is: 12,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,560.66 : 14,289.73 = 8,621.46 : x
  2. Step 2: Convert to fraction form
    9,560.66/14,289.73 = 8,621.46/x
  3. Step 3: Cross multiply
    9,560.66x = 14,289.73 × 8,621.46
  4. Step 4: Simplify right side
    9,560.66x = 123,198,314.05
  5. Step 5: Solve for x
    x = 123,198,314.05/9,560.66
  6. Step 6: Final answer
    x = 12,885.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.