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Finding the Fourth Proportional to 8,744.56, 13,109.28 and 2,897.44

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Solution

The fourth proportional to 8,744.56, 13,109.28 and 2,897.44 is: 4,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.56 : 13,109.28 = 2,897.44 : x
  2. Step 2: Convert to fraction form
    8,744.56/13,109.28 = 2,897.44/x
  3. Step 3: Cross multiply
    8,744.56x = 13,109.28 × 2,897.44
  4. Step 4: Simplify right side
    8,744.56x = 37,983,352.24
  5. Step 5: Solve for x
    x = 37,983,352.24/8,744.56
  6. Step 6: Final answer
    x = 4,343.66

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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.