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Finding the Fourth Proportional to 4,682.85, 7,024.20 and 1,395.96

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Solution

The fourth proportional to 4,682.85, 7,024.20 and 1,395.96 is: 2,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.85 : 7,024.20 = 1,395.96 : x
  2. Step 2: Convert to fraction form
    4,682.85/7,024.20 = 1,395.96/x
  3. Step 3: Cross multiply
    4,682.85x = 7,024.20 × 1,395.96
  4. Step 4: Simplify right side
    4,682.85x = 9,805,502.23
  5. Step 5: Solve for x
    x = 9,805,502.23/4,682.85
  6. Step 6: Final answer
    x = 2,093.92

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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.