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Finding the Fourth Proportional to 6,720.63, 10,088.73 and 3,606.73

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Solution

The fourth proportional to 6,720.63, 10,088.73 and 3,606.73 is: 5,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.63 : 10,088.73 = 3,606.73 : x
  2. Step 2: Convert to fraction form
    6,720.63/10,088.73 = 3,606.73/x
  3. Step 3: Cross multiply
    6,720.63x = 10,088.73 × 3,606.73
  4. Step 4: Simplify right side
    6,720.63x = 36,387,325.15
  5. Step 5: Solve for x
    x = 36,387,325.15/6,720.63
  6. Step 6: Final answer
    x = 5,414.27

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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.