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Finding the Fourth Proportional to 6,873.68, 10,292.16 and 5,480.48

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Solution

The fourth proportional to 6,873.68, 10,292.16 and 5,480.48 is: 8,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.68 : 10,292.16 = 5,480.48 : x
  2. Step 2: Convert to fraction form
    6,873.68/10,292.16 = 5,480.48/x
  3. Step 3: Cross multiply
    6,873.68x = 10,292.16 × 5,480.48
  4. Step 4: Simplify right side
    6,873.68x = 56,405,977.04
  5. Step 5: Solve for x
    x = 56,405,977.04/6,873.68
  6. Step 6: Final answer
    x = 8,206.08

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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.