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Finding the Fourth Proportional to 8,800.64, 13,198.80 and 2,957.12

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Solution

The fourth proportional to 8,800.64, 13,198.80 and 2,957.12 is: 4,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.64 : 13,198.80 = 2,957.12 : x
  2. Step 2: Convert to fraction form
    8,800.64/13,198.80 = 2,957.12/x
  3. Step 3: Cross multiply
    8,800.64x = 13,198.80 × 2,957.12
  4. Step 4: Simplify right side
    8,800.64x = 39,030,435.46
  5. Step 5: Solve for x
    x = 39,030,435.46/8,800.64
  6. Step 6: Final answer
    x = 4,434.95

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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.