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Finding the Fourth Proportional to 6,893.80, 9,513.67 and 3,750.10

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Solution

The fourth proportional to 6,893.80, 9,513.67 and 3,750.10 is: 5,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.80 : 9,513.67 = 3,750.10 : x
  2. Step 2: Convert to fraction form
    6,893.80/9,513.67 = 3,750.10/x
  3. Step 3: Cross multiply
    6,893.80x = 9,513.67 × 3,750.10
  4. Step 4: Simplify right side
    6,893.80x = 35,677,166.30
  5. Step 5: Solve for x
    x = 35,677,166.30/6,893.80
  6. Step 6: Final answer
    x = 5,175.26

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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.