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Finding the Fourth Proportional to 5,607.39, 7,736.38 and 3,249.07

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Solution

The fourth proportional to 5,607.39, 7,736.38 and 3,249.07 is: 4,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.39 : 7,736.38 = 3,249.07 : x
  2. Step 2: Convert to fraction form
    5,607.39/7,736.38 = 3,249.07/x
  3. Step 3: Cross multiply
    5,607.39x = 7,736.38 × 3,249.07
  4. Step 4: Simplify right side
    5,607.39x = 25,136,040.17
  5. Step 5: Solve for x
    x = 25,136,040.17/5,607.39
  6. Step 6: Final answer
    x = 4,482.66

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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.