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Finding the Fourth Proportional to 11,196.60, 16,794.90 and 4,619.40

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Solution

The fourth proportional to 11,196.60, 16,794.90 and 4,619.40 is: 6,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.60 : 16,794.90 = 4,619.40 : x
  2. Step 2: Convert to fraction form
    11,196.60/16,794.90 = 4,619.40/x
  3. Step 3: Cross multiply
    11,196.60x = 16,794.90 × 4,619.40
  4. Step 4: Simplify right side
    11,196.60x = 77,582,361.06
  5. Step 5: Solve for x
    x = 77,582,361.06/11,196.60
  6. Step 6: Final answer
    x = 6,929.10

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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.