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Finding the Fourth Proportional to 6,244.76, 9,357.40 and 3,931.40

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Solution

The fourth proportional to 6,244.76, 9,357.40 and 3,931.40 is: 5,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.76 : 9,357.40 = 3,931.40 : x
  2. Step 2: Convert to fraction form
    6,244.76/9,357.40 = 3,931.40/x
  3. Step 3: Cross multiply
    6,244.76x = 9,357.40 × 3,931.40
  4. Step 4: Simplify right side
    6,244.76x = 36,787,682.36
  5. Step 5: Solve for x
    x = 36,787,682.36/6,244.76
  6. Step 6: Final answer
    x = 5,890.97

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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.