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Finding the Fourth Proportional to 10,794.68, 16,203.06 and 8,914.58

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Solution

The fourth proportional to 10,794.68, 16,203.06 and 8,914.58 is: 13,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.68 : 16,203.06 = 8,914.58 : x
  2. Step 2: Convert to fraction form
    10,794.68/16,203.06 = 8,914.58/x
  3. Step 3: Cross multiply
    10,794.68x = 16,203.06 × 8,914.58
  4. Step 4: Simplify right side
    10,794.68x = 144,443,393.60
  5. Step 5: Solve for x
    x = 144,443,393.60/10,794.68
  6. Step 6: Final answer
    x = 13,380.99

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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.