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Finding the Fourth Proportional to 10,934.88, 16,404.48 and 4,009.44

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Solution

The fourth proportional to 10,934.88, 16,404.48 and 4,009.44 is: 6,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.88 : 16,404.48 = 4,009.44 : x
  2. Step 2: Convert to fraction form
    10,934.88/16,404.48 = 4,009.44/x
  3. Step 3: Cross multiply
    10,934.88x = 16,404.48 × 4,009.44
  4. Step 4: Simplify right side
    10,934.88x = 65,772,778.29
  5. Step 5: Solve for x
    x = 65,772,778.29/10,934.88
  6. Step 6: Final answer
    x = 6,014.95

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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.