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Finding the Fourth Proportional to 61,969.93, 92,956.70 and 15,222.80

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Solution

The fourth proportional to 61,969.93, 92,956.70 and 15,222.80 is: 22,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.93 : 92,956.70 = 15,222.80 : x
  2. Step 2: Convert to fraction form
    61,969.93/92,956.70 = 15,222.80/x
  3. Step 3: Cross multiply
    61,969.93x = 92,956.70 × 15,222.80
  4. Step 4: Simplify right side
    61,969.93x = 1,415,061,523.21
  5. Step 5: Solve for x
    x = 1,415,061,523.21/61,969.93
  6. Step 6: Final answer
    x = 22,834.65

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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.