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Finding the Fourth Proportional to 6,881.81, 9,496.84 and 3,737.99

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Solution

The fourth proportional to 6,881.81, 9,496.84 and 3,737.99 is: 5,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.81 : 9,496.84 = 3,737.99 : x
  2. Step 2: Convert to fraction form
    6,881.81/9,496.84 = 3,737.99/x
  3. Step 3: Cross multiply
    6,881.81x = 9,496.84 × 3,737.99
  4. Step 4: Simplify right side
    6,881.81x = 35,499,074.26
  5. Step 5: Solve for x
    x = 35,499,074.26/6,881.81
  6. Step 6: Final answer
    x = 5,158.40

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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.