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Finding the Fourth Proportional to 57,658.69, 86,492.49 and 22,137.09

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Solution

The fourth proportional to 57,658.69, 86,492.49 and 22,137.09 is: 33,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.69 : 86,492.49 = 22,137.09 : x
  2. Step 2: Convert to fraction form
    57,658.69/86,492.49 = 22,137.09/x
  3. Step 3: Cross multiply
    57,658.69x = 86,492.49 × 22,137.09
  4. Step 4: Simplify right side
    57,658.69x = 1,914,692,035.45
  5. Step 5: Solve for x
    x = 1,914,692,035.45/57,658.69
  6. Step 6: Final answer
    x = 33,207.35

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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.