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Finding the Fourth Proportional to 22,457.82, 33,689.80 and 7,662.76

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Solution

The fourth proportional to 22,457.82, 33,689.80 and 7,662.76 is: 11,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.82 : 33,689.80 = 7,662.76 : x
  2. Step 2: Convert to fraction form
    22,457.82/33,689.80 = 7,662.76/x
  3. Step 3: Cross multiply
    22,457.82x = 33,689.80 × 7,662.76
  4. Step 4: Simplify right side
    22,457.82x = 258,156,851.85
  5. Step 5: Solve for x
    x = 258,156,851.85/22,457.82
  6. Step 6: Final answer
    x = 11,495.19

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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.