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Finding the Fourth Proportional to 8,794.52, 13,189.72 and 4,117.75

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Solution

The fourth proportional to 8,794.52, 13,189.72 and 4,117.75 is: 6,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.52 : 13,189.72 = 4,117.75 : x
  2. Step 2: Convert to fraction form
    8,794.52/13,189.72 = 4,117.75/x
  3. Step 3: Cross multiply
    8,794.52x = 13,189.72 × 4,117.75
  4. Step 4: Simplify right side
    8,794.52x = 54,311,969.53
  5. Step 5: Solve for x
    x = 54,311,969.53/8,794.52
  6. Step 6: Final answer
    x = 6,175.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.