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Finding the Fourth Proportional to 3,547.94, 4,896.33 and 1,976.42

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Solution

The fourth proportional to 3,547.94, 4,896.33 and 1,976.42 is: 2,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.94 : 4,896.33 = 1,976.42 : x
  2. Step 2: Convert to fraction form
    3,547.94/4,896.33 = 1,976.42/x
  3. Step 3: Cross multiply
    3,547.94x = 4,896.33 × 1,976.42
  4. Step 4: Simplify right side
    3,547.94x = 9,677,204.54
  5. Step 5: Solve for x
    x = 9,677,204.54/3,547.94
  6. Step 6: Final answer
    x = 2,727.56

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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.