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Finding the Fourth Proportional to 6,359.79, 8,776.03 and 3,564.75

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Solution

The fourth proportional to 6,359.79, 8,776.03 and 3,564.75 is: 4,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.79 : 8,776.03 = 3,564.75 : x
  2. Step 2: Convert to fraction form
    6,359.79/8,776.03 = 3,564.75/x
  3. Step 3: Cross multiply
    6,359.79x = 8,776.03 × 3,564.75
  4. Step 4: Simplify right side
    6,359.79x = 31,284,352.94
  5. Step 5: Solve for x
    x = 31,284,352.94/6,359.79
  6. Step 6: Final answer
    x = 4,919.09

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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.