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Finding the Fourth Proportional to 4,561.92, 6,810.48 and 4,399.92

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Solution

The fourth proportional to 4,561.92, 6,810.48 and 4,399.92 is: 6,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.92 : 6,810.48 = 4,399.92 : x
  2. Step 2: Convert to fraction form
    4,561.92/6,810.48 = 4,399.92/x
  3. Step 3: Cross multiply
    4,561.92x = 6,810.48 × 4,399.92
  4. Step 4: Simplify right side
    4,561.92x = 29,965,567.16
  5. Step 5: Solve for x
    x = 29,965,567.16/4,561.92
  6. Step 6: Final answer
    x = 6,568.63

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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.