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Finding the Fourth Proportional to 6,903.74, 9,527.22 and 3,919.58

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Solution

The fourth proportional to 6,903.74, 9,527.22 and 3,919.58 is: 5,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.74 : 9,527.22 = 3,919.58 : x
  2. Step 2: Convert to fraction form
    6,903.74/9,527.22 = 3,919.58/x
  3. Step 3: Cross multiply
    6,903.74x = 9,527.22 × 3,919.58
  4. Step 4: Simplify right side
    6,903.74x = 37,342,700.97
  5. Step 5: Solve for x
    x = 37,342,700.97/6,903.74
  6. Step 6: Final answer
    x = 5,409.05

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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.