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Finding the Fourth Proportional to 8,798.70, 13,198.05 and 2,955.27

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Solution

The fourth proportional to 8,798.70, 13,198.05 and 2,955.27 is: 4,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.70 : 13,198.05 = 2,955.27 : x
  2. Step 2: Convert to fraction form
    8,798.70/13,198.05 = 2,955.27/x
  3. Step 3: Cross multiply
    8,798.70x = 13,198.05 × 2,955.27
  4. Step 4: Simplify right side
    8,798.70x = 39,003,801.22
  5. Step 5: Solve for x
    x = 39,003,801.22/8,798.70
  6. Step 6: Final answer
    x = 4,432.91

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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.