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Finding the Fourth Proportional to 7,794.30, 10,759.67 and 4,965.55

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Solution

The fourth proportional to 7,794.30, 10,759.67 and 4,965.55 is: 6,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.30 : 10,759.67 = 4,965.55 : x
  2. Step 2: Convert to fraction form
    7,794.30/10,759.67 = 4,965.55/x
  3. Step 3: Cross multiply
    7,794.30x = 10,759.67 × 4,965.55
  4. Step 4: Simplify right side
    7,794.30x = 53,427,705.23
  5. Step 5: Solve for x
    x = 53,427,705.23/7,794.30
  6. Step 6: Final answer
    x = 6,854.72

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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.