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Finding the Fourth Proportional to 14,794.10, 20,415.80 and 8,826.02

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Solution

The fourth proportional to 14,794.10, 20,415.80 and 8,826.02 is: 12,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.10 : 20,415.80 = 8,826.02 : x
  2. Step 2: Convert to fraction form
    14,794.10/20,415.80 = 8,826.02/x
  3. Step 3: Cross multiply
    14,794.10x = 20,415.80 × 8,826.02
  4. Step 4: Simplify right side
    14,794.10x = 180,190,259.12
  5. Step 5: Solve for x
    x = 180,190,259.12/14,794.10
  6. Step 6: Final answer
    x = 12,179.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.