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Finding the Fourth Proportional to 92,607, 138,910.38 and 22,486.20

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Solution

The fourth proportional to 92,607, 138,910.38 and 22,486.20 is: 33,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,607 : 138,910.38 = 22,486.20 : x
  2. Step 2: Convert to fraction form
    92,607/138,910.38 = 22,486.20/x
  3. Step 3: Cross multiply
    92,607x = 138,910.38 × 22,486.20
  4. Step 4: Simplify right side
    92,607x = 3,123,566,586.76
  5. Step 5: Solve for x
    x = 3,123,566,586.76/92,607
  6. Step 6: Final answer
    x = 33,729.27

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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.