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Finding the Fourth Proportional to 61,854.44, 92,709.95 and 28,504.45

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Solution

The fourth proportional to 61,854.44, 92,709.95 and 28,504.45 is: 42,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,854.44 : 92,709.95 = 28,504.45 : x
  2. Step 2: Convert to fraction form
    61,854.44/92,709.95 = 28,504.45/x
  3. Step 3: Cross multiply
    61,854.44x = 92,709.95 × 28,504.45
  4. Step 4: Simplify right side
    61,854.44x = 2,642,645,759.98
  5. Step 5: Solve for x
    x = 2,642,645,759.98/61,854.44
  6. Step 6: Final answer
    x = 42,723.62

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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.