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Finding the Fourth Proportional to 8,890.88, 13,321.72 and 3,044.30

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Solution

The fourth proportional to 8,890.88, 13,321.72 and 3,044.30 is: 4,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.88 : 13,321.72 = 3,044.30 : x
  2. Step 2: Convert to fraction form
    8,890.88/13,321.72 = 3,044.30/x
  3. Step 3: Cross multiply
    8,890.88x = 13,321.72 × 3,044.30
  4. Step 4: Simplify right side
    8,890.88x = 40,555,312.20
  5. Step 5: Solve for x
    x = 40,555,312.20/8,890.88
  6. Step 6: Final answer
    x = 4,561.45

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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.