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Finding the Fourth Proportional to 6,919.95, 10,381.23 and 3,798.27

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Solution

The fourth proportional to 6,919.95, 10,381.23 and 3,798.27 is: 5,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.95 : 10,381.23 = 3,798.27 : x
  2. Step 2: Convert to fraction form
    6,919.95/10,381.23 = 3,798.27/x
  3. Step 3: Cross multiply
    6,919.95x = 10,381.23 × 3,798.27
  4. Step 4: Simplify right side
    6,919.95x = 39,430,714.47
  5. Step 5: Solve for x
    x = 39,430,714.47/6,919.95
  6. Step 6: Final answer
    x = 5,698.12

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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.