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Finding the Fourth Proportional to 49,134.66, 67,807.71 and 26,778.66

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Solution

The fourth proportional to 49,134.66, 67,807.71 and 26,778.66 is: 36,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,134.66 : 67,807.71 = 26,778.66 : x
  2. Step 2: Convert to fraction form
    49,134.66/67,807.71 = 26,778.66/x
  3. Step 3: Cross multiply
    49,134.66x = 67,807.71 × 26,778.66
  4. Step 4: Simplify right side
    49,134.66x = 1,815,799,611.47
  5. Step 5: Solve for x
    x = 1,815,799,611.47/49,134.66
  6. Step 6: Final answer
    x = 36,955.57

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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.