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Finding the Fourth Proportional to 5,606.39, 7,736.61 and 3,369.50

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Solution

The fourth proportional to 5,606.39, 7,736.61 and 3,369.50 is: 4,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.39 : 7,736.61 = 3,369.50 : x
  2. Step 2: Convert to fraction form
    5,606.39/7,736.61 = 3,369.50/x
  3. Step 3: Cross multiply
    5,606.39x = 7,736.61 × 3,369.50
  4. Step 4: Simplify right side
    5,606.39x = 26,068,507.40
  5. Step 5: Solve for x
    x = 26,068,507.40/5,606.39
  6. Step 6: Final answer
    x = 4,649.78

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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.