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Finding the Fourth Proportional to 8,807.99, 13,191.82 and 4,426.70

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Solution

The fourth proportional to 8,807.99, 13,191.82 and 4,426.70 is: 6,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.99 : 13,191.82 = 4,426.70 : x
  2. Step 2: Convert to fraction form
    8,807.99/13,191.82 = 4,426.70/x
  3. Step 3: Cross multiply
    8,807.99x = 13,191.82 × 4,426.70
  4. Step 4: Simplify right side
    8,807.99x = 58,396,152.57
  5. Step 5: Solve for x
    x = 58,396,152.57/8,807.99
  6. Step 6: Final answer
    x = 6,629.91

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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.