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Finding the Fourth Proportional to 4,998.71, 6,899.07 and 4,777.29

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Solution

The fourth proportional to 4,998.71, 6,899.07 and 4,777.29 is: 6,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.71 : 6,899.07 = 4,777.29 : x
  2. Step 2: Convert to fraction form
    4,998.71/6,899.07 = 4,777.29/x
  3. Step 3: Cross multiply
    4,998.71x = 6,899.07 × 4,777.29
  4. Step 4: Simplify right side
    4,998.71x = 32,958,858.12
  5. Step 5: Solve for x
    x = 32,958,858.12/4,998.71
  6. Step 6: Final answer
    x = 6,593.48

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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.