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Finding the Fourth Proportional to 61,203.86, 91,806.30 and 16,833.04

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Solution

The fourth proportional to 61,203.86, 91,806.30 and 16,833.04 is: 25,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.86 : 91,806.30 = 16,833.04 : x
  2. Step 2: Convert to fraction form
    61,203.86/91,806.30 = 16,833.04/x
  3. Step 3: Cross multiply
    61,203.86x = 91,806.30 × 16,833.04
  4. Step 4: Simplify right side
    61,203.86x = 1,545,379,035.99
  5. Step 5: Solve for x
    x = 1,545,379,035.99/61,203.86
  6. Step 6: Final answer
    x = 25,249.70

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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.