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Finding the Fourth Proportional to 61,796.53, 92,704.47 and 19,686.05

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Solution

The fourth proportional to 61,796.53, 92,704.47 and 19,686.05 is: 29,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,796.53 : 92,704.47 = 19,686.05 : x
  2. Step 2: Convert to fraction form
    61,796.53/92,704.47 = 19,686.05/x
  3. Step 3: Cross multiply
    61,796.53x = 92,704.47 × 19,686.05
  4. Step 4: Simplify right side
    61,796.53x = 1,824,984,641.94
  5. Step 5: Solve for x
    x = 1,824,984,641.94/61,796.53
  6. Step 6: Final answer
    x = 29,532.15

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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.