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Finding the Fourth Proportional to 22,508.70, 33,742.41 and 8,647.26

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Solution

The fourth proportional to 22,508.70, 33,742.41 and 8,647.26 is: 12,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.70 : 33,742.41 = 8,647.26 : x
  2. Step 2: Convert to fraction form
    22,508.70/33,742.41 = 8,647.26/x
  3. Step 3: Cross multiply
    22,508.70x = 33,742.41 × 8,647.26
  4. Step 4: Simplify right side
    22,508.70x = 291,779,392.30
  5. Step 5: Solve for x
    x = 291,779,392.30/22,508.70
  6. Step 6: Final answer
    x = 12,962.96

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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.