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Finding the Fourth Proportional to 6,899.64, 9,517.26 and 6,017.55

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Solution

The fourth proportional to 6,899.64, 9,517.26 and 6,017.55 is: 8,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.64 : 9,517.26 = 6,017.55 : x
  2. Step 2: Convert to fraction form
    6,899.64/9,517.26 = 6,017.55/x
  3. Step 3: Cross multiply
    6,899.64x = 9,517.26 × 6,017.55
  4. Step 4: Simplify right side
    6,899.64x = 57,270,587.91
  5. Step 5: Solve for x
    x = 57,270,587.91/6,899.64
  6. Step 6: Final answer
    x = 8,300.52

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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.