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Finding the Fourth Proportional to 6,741.72, 9,303.50 and 3,757.64

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Solution

The fourth proportional to 6,741.72, 9,303.50 and 3,757.64 is: 5,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.72 : 9,303.50 = 3,757.64 : x
  2. Step 2: Convert to fraction form
    6,741.72/9,303.50 = 3,757.64/x
  3. Step 3: Cross multiply
    6,741.72x = 9,303.50 × 3,757.64
  4. Step 4: Simplify right side
    6,741.72x = 34,959,203.74
  5. Step 5: Solve for x
    x = 34,959,203.74/6,741.72
  6. Step 6: Final answer
    x = 5,185.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.