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Finding the Fourth Proportional to 8,835.63, 13,253.44 and 2,679.63

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Solution

The fourth proportional to 8,835.63, 13,253.44 and 2,679.63 is: 4,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.63 : 13,253.44 = 2,679.63 : x
  2. Step 2: Convert to fraction form
    8,835.63/13,253.44 = 2,679.63/x
  3. Step 3: Cross multiply
    8,835.63x = 13,253.44 × 2,679.63
  4. Step 4: Simplify right side
    8,835.63x = 35,514,315.43
  5. Step 5: Solve for x
    x = 35,514,315.43/8,835.63
  6. Step 6: Final answer
    x = 4,019.44

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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.