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Finding the Fourth Proportional to 61,327.80, 91,979.55 and 29,737.80

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Solution

The fourth proportional to 61,327.80, 91,979.55 and 29,737.80 is: 44,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,327.80 : 91,979.55 = 29,737.80 : x
  2. Step 2: Convert to fraction form
    61,327.80/91,979.55 = 29,737.80/x
  3. Step 3: Cross multiply
    61,327.80x = 91,979.55 × 29,737.80
  4. Step 4: Simplify right side
    61,327.80x = 2,735,269,461.99
  5. Step 5: Solve for x
    x = 2,735,269,461.99/61,327.80
  6. Step 6: Final answer
    x = 44,600.81

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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.