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Finding the Fourth Proportional to 6,560.76, 9,047.94 and 4,321.82

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Solution

The fourth proportional to 6,560.76, 9,047.94 and 4,321.82 is: 5,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.76 : 9,047.94 = 4,321.82 : x
  2. Step 2: Convert to fraction form
    6,560.76/9,047.94 = 4,321.82/x
  3. Step 3: Cross multiply
    6,560.76x = 9,047.94 × 4,321.82
  4. Step 4: Simplify right side
    6,560.76x = 39,103,568.05
  5. Step 5: Solve for x
    x = 39,103,568.05/6,560.76
  6. Step 6: Final answer
    x = 5,960.22

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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.