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Finding the Fourth Proportional to 8,801.70, 13,184.15 and 4,125.70

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Solution

The fourth proportional to 8,801.70, 13,184.15 and 4,125.70 is: 6,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.70 : 13,184.15 = 4,125.70 : x
  2. Step 2: Convert to fraction form
    8,801.70/13,184.15 = 4,125.70/x
  3. Step 3: Cross multiply
    8,801.70x = 13,184.15 × 4,125.70
  4. Step 4: Simplify right side
    8,801.70x = 54,393,847.66
  5. Step 5: Solve for x
    x = 54,393,847.66/8,801.70
  6. Step 6: Final answer
    x = 6,179.93

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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.