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Finding the Fourth Proportional to 11,099.68, 16,644.64 and 5,904.32

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Solution

The fourth proportional to 11,099.68, 16,644.64 and 5,904.32 is: 8,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.68 : 16,644.64 = 5,904.32 : x
  2. Step 2: Convert to fraction form
    11,099.68/16,644.64 = 5,904.32/x
  3. Step 3: Cross multiply
    11,099.68x = 16,644.64 × 5,904.32
  4. Step 4: Simplify right side
    11,099.68x = 98,275,280.84
  5. Step 5: Solve for x
    x = 98,275,280.84/11,099.68
  6. Step 6: Final answer
    x = 8,853.88

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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.