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Finding the Fourth Proportional to 3,523.66, 5,303.18 and 2,650.69

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Solution

The fourth proportional to 3,523.66, 5,303.18 and 2,650.69 is: 3,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.66 : 5,303.18 = 2,650.69 : x
  2. Step 2: Convert to fraction form
    3,523.66/5,303.18 = 2,650.69/x
  3. Step 3: Cross multiply
    3,523.66x = 5,303.18 × 2,650.69
  4. Step 4: Simplify right side
    3,523.66x = 14,057,086.19
  5. Step 5: Solve for x
    x = 14,057,086.19/3,523.66
  6. Step 6: Final answer
    x = 3,989.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.