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Finding the Fourth Proportional to 61,892.80, 92,874.32 and 33,429.40

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Solution

The fourth proportional to 61,892.80, 92,874.32 and 33,429.40 is: 50,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.80 : 92,874.32 = 33,429.40 : x
  2. Step 2: Convert to fraction form
    61,892.80/92,874.32 = 33,429.40/x
  3. Step 3: Cross multiply
    61,892.80x = 92,874.32 × 33,429.40
  4. Step 4: Simplify right side
    61,892.80x = 3,104,732,793.01
  5. Step 5: Solve for x
    x = 3,104,732,793.01/61,892.80
  6. Step 6: Final answer
    x = 50,163.07

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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.