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Finding the Fourth Proportional to 45,800.94, 68,700.86 and 25,811.94

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Solution

The fourth proportional to 45,800.94, 68,700.86 and 25,811.94 is: 38,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.94 : 68,700.86 = 25,811.94 : x
  2. Step 2: Convert to fraction form
    45,800.94/68,700.86 = 25,811.94/x
  3. Step 3: Cross multiply
    45,800.94x = 68,700.86 × 25,811.94
  4. Step 4: Simplify right side
    45,800.94x = 1,773,302,476.27
  5. Step 5: Solve for x
    x = 1,773,302,476.27/45,800.94
  6. Step 6: Final answer
    x = 38,717.60

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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.