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Finding the Fourth Proportional to 6,868.08, 9,478.44 and 5,104.80

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Solution

The fourth proportional to 6,868.08, 9,478.44 and 5,104.80 is: 7,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.08 : 9,478.44 = 5,104.80 : x
  2. Step 2: Convert to fraction form
    6,868.08/9,478.44 = 5,104.80/x
  3. Step 3: Cross multiply
    6,868.08x = 9,478.44 × 5,104.80
  4. Step 4: Simplify right side
    6,868.08x = 48,385,540.51
  5. Step 5: Solve for x
    x = 48,385,540.51/6,868.08
  6. Step 6: Final answer
    x = 7,044.99

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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.