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Finding the Fourth Proportional to 5,072.52, 6,999.80 and 2,834.32

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Solution

The fourth proportional to 5,072.52, 6,999.80 and 2,834.32 is: 3,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.52 : 6,999.80 = 2,834.32 : x
  2. Step 2: Convert to fraction form
    5,072.52/6,999.80 = 2,834.32/x
  3. Step 3: Cross multiply
    5,072.52x = 6,999.80 × 2,834.32
  4. Step 4: Simplify right side
    5,072.52x = 19,839,673.14
  5. Step 5: Solve for x
    x = 19,839,673.14/5,072.52
  6. Step 6: Final answer
    x = 3,911.21

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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.