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Finding the Fourth Proportional to 6,818.54, 9,410.29 and 4,167.71

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Solution

The fourth proportional to 6,818.54, 9,410.29 and 4,167.71 is: 5,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.54 : 9,410.29 = 4,167.71 : x
  2. Step 2: Convert to fraction form
    6,818.54/9,410.29 = 4,167.71/x
  3. Step 3: Cross multiply
    6,818.54x = 9,410.29 × 4,167.71
  4. Step 4: Simplify right side
    6,818.54x = 39,219,312.68
  5. Step 5: Solve for x
    x = 39,219,312.68/6,818.54
  6. Step 6: Final answer
    x = 5,751.87

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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.