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Finding the Fourth Proportional to 11,296.60, 16,940.04 and 3,503.68

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Solution

The fourth proportional to 11,296.60, 16,940.04 and 3,503.68 is: 5,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.60 : 16,940.04 = 3,503.68 : x
  2. Step 2: Convert to fraction form
    11,296.60/16,940.04 = 3,503.68/x
  3. Step 3: Cross multiply
    11,296.60x = 16,940.04 × 3,503.68
  4. Step 4: Simplify right side
    11,296.60x = 59,352,479.35
  5. Step 5: Solve for x
    x = 59,352,479.35/11,296.60
  6. Step 6: Final answer
    x = 5,254.01

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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.