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Finding the Fourth Proportional to 49,804.59, 68,729.45 and 27,143.45

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Solution

The fourth proportional to 49,804.59, 68,729.45 and 27,143.45 is: 37,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,804.59 : 68,729.45 = 27,143.45 : x
  2. Step 2: Convert to fraction form
    49,804.59/68,729.45 = 27,143.45/x
  3. Step 3: Cross multiply
    49,804.59x = 68,729.45 × 27,143.45
  4. Step 4: Simplify right side
    49,804.59x = 1,865,553,910.24
  5. Step 5: Solve for x
    x = 1,865,553,910.24/49,804.59
  6. Step 6: Final answer
    x = 37,457.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.