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Finding the Fourth Proportional to 5,507.55, 8,244.05 and 4,112.91

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Solution

The fourth proportional to 5,507.55, 8,244.05 and 4,112.91 is: 6,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.55 : 8,244.05 = 4,112.91 : x
  2. Step 2: Convert to fraction form
    5,507.55/8,244.05 = 4,112.91/x
  3. Step 3: Cross multiply
    5,507.55x = 8,244.05 × 4,112.91
  4. Step 4: Simplify right side
    5,507.55x = 33,907,015.12
  5. Step 5: Solve for x
    x = 33,907,015.12/5,507.55
  6. Step 6: Final answer
    x = 6,156.46

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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.