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Finding the Fourth Proportional to 8,794.16, 13,178.16 and 8,576.80

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Solution

The fourth proportional to 8,794.16, 13,178.16 and 8,576.80 is: 12,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.16 : 13,178.16 = 8,576.80 : x
  2. Step 2: Convert to fraction form
    8,794.16/13,178.16 = 8,576.80/x
  3. Step 3: Cross multiply
    8,794.16x = 13,178.16 × 8,576.80
  4. Step 4: Simplify right side
    8,794.16x = 113,026,442.69
  5. Step 5: Solve for x
    x = 113,026,442.69/8,794.16
  6. Step 6: Final answer
    x = 12,852.44

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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.