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Finding the Fourth Proportional to 7,134.59, 10,703.50 and 3,847.61

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Solution

The fourth proportional to 7,134.59, 10,703.50 and 3,847.61 is: 5,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.59 : 10,703.50 = 3,847.61 : x
  2. Step 2: Convert to fraction form
    7,134.59/10,703.50 = 3,847.61/x
  3. Step 3: Cross multiply
    7,134.59x = 10,703.50 × 3,847.61
  4. Step 4: Simplify right side
    7,134.59x = 41,182,893.64
  5. Step 5: Solve for x
    x = 41,182,893.64/7,134.59
  6. Step 6: Final answer
    x = 5,772.29

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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.