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Finding the Fourth Proportional to 6,622.59, 9,133.85 and 5,824.20

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Solution

The fourth proportional to 6,622.59, 9,133.85 and 5,824.20 is: 8,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.59 : 9,133.85 = 5,824.20 : x
  2. Step 2: Convert to fraction form
    6,622.59/9,133.85 = 5,824.20/x
  3. Step 3: Cross multiply
    6,622.59x = 9,133.85 × 5,824.20
  4. Step 4: Simplify right side
    6,622.59x = 53,197,340.05
  5. Step 5: Solve for x
    x = 53,197,340.05/6,622.59
  6. Step 6: Final answer
    x = 8,032.71

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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.