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Finding the Fourth Proportional to 6,885.53, 9,502.05 and 3,741.71

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Solution

The fourth proportional to 6,885.53, 9,502.05 and 3,741.71 is: 5,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.53 : 9,502.05 = 3,741.71 : x
  2. Step 2: Convert to fraction form
    6,885.53/9,502.05 = 3,741.71/x
  3. Step 3: Cross multiply
    6,885.53x = 9,502.05 × 3,741.71
  4. Step 4: Simplify right side
    6,885.53x = 35,553,868.00
  5. Step 5: Solve for x
    x = 35,553,868.00/6,885.53
  6. Step 6: Final answer
    x = 5,163.57

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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.