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Finding the Fourth Proportional to 4,998.28, 6,895.44 and 3,007.71

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Solution

The fourth proportional to 4,998.28, 6,895.44 and 3,007.71 is: 4,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.28 : 6,895.44 = 3,007.71 : x
  2. Step 2: Convert to fraction form
    4,998.28/6,895.44 = 3,007.71/x
  3. Step 3: Cross multiply
    4,998.28x = 6,895.44 × 3,007.71
  4. Step 4: Simplify right side
    4,998.28x = 20,739,483.84
  5. Step 5: Solve for x
    x = 20,739,483.84/4,998.28
  6. Step 6: Final answer
    x = 4,149.32

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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.