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Finding the Fourth Proportional to 22,459.66, 33,692.96 and 7,665.12

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Solution

The fourth proportional to 22,459.66, 33,692.96 and 7,665.12 is: 11,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.66 : 33,692.96 = 7,665.12 : x
  2. Step 2: Convert to fraction form
    22,459.66/33,692.96 = 7,665.12/x
  3. Step 3: Cross multiply
    22,459.66x = 33,692.96 × 7,665.12
  4. Step 4: Simplify right side
    22,459.66x = 258,260,581.56
  5. Step 5: Solve for x
    x = 258,260,581.56/22,459.66
  6. Step 6: Final answer
    x = 11,498.86

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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.