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Finding the Fourth Proportional to 7,759.03, 11,578.59 and 6,928.39

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Solution

The fourth proportional to 7,759.03, 11,578.59 and 6,928.39 is: 10,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.03 : 11,578.59 = 6,928.39 : x
  2. Step 2: Convert to fraction form
    7,759.03/11,578.59 = 6,928.39/x
  3. Step 3: Cross multiply
    7,759.03x = 11,578.59 × 6,928.39
  4. Step 4: Simplify right side
    7,759.03x = 80,220,987.17
  5. Step 5: Solve for x
    x = 80,220,987.17/7,759.03
  6. Step 6: Final answer
    x = 10,339.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.