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Finding the Fourth Proportional to 8,665.26, 13,000.04 and 2,509.26

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Solution

The fourth proportional to 8,665.26, 13,000.04 and 2,509.26 is: 3,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.26 : 13,000.04 = 2,509.26 : x
  2. Step 2: Convert to fraction form
    8,665.26/13,000.04 = 2,509.26/x
  3. Step 3: Cross multiply
    8,665.26x = 13,000.04 × 2,509.26
  4. Step 4: Simplify right side
    8,665.26x = 32,620,480.37
  5. Step 5: Solve for x
    x = 32,620,480.37/8,665.26
  6. Step 6: Final answer
    x = 3,764.51

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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.