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Finding the Fourth Proportional to 6,788.73, 9,355.76 and 5,294.28

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Solution

The fourth proportional to 6,788.73, 9,355.76 and 5,294.28 is: 7,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.73 : 9,355.76 = 5,294.28 : x
  2. Step 2: Convert to fraction form
    6,788.73/9,355.76 = 5,294.28/x
  3. Step 3: Cross multiply
    6,788.73x = 9,355.76 × 5,294.28
  4. Step 4: Simplify right side
    6,788.73x = 49,532,013.05
  5. Step 5: Solve for x
    x = 49,532,013.05/6,788.73
  6. Step 6: Final answer
    x = 7,296.21

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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.