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Finding the Fourth Proportional to 7,813.03, 10,757.01 and 6,325.87

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Solution

The fourth proportional to 7,813.03, 10,757.01 and 6,325.87 is: 8,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.03 : 10,757.01 = 6,325.87 : x
  2. Step 2: Convert to fraction form
    7,813.03/10,757.01 = 6,325.87/x
  3. Step 3: Cross multiply
    7,813.03x = 10,757.01 × 6,325.87
  4. Step 4: Simplify right side
    7,813.03x = 68,047,446.85
  5. Step 5: Solve for x
    x = 68,047,446.85/7,813.03
  6. Step 6: Final answer
    x = 8,709.48

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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.