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Finding the Fourth Proportional to 49,156.88, 67,836.56 and 26,800.88

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Solution

The fourth proportional to 49,156.88, 67,836.56 and 26,800.88 is: 36,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156.88 : 67,836.56 = 26,800.88 : x
  2. Step 2: Convert to fraction form
    49,156.88/67,836.56 = 26,800.88/x
  3. Step 3: Cross multiply
    49,156.88x = 67,836.56 × 26,800.88
  4. Step 4: Simplify right side
    49,156.88x = 1,818,079,030.99
  5. Step 5: Solve for x
    x = 1,818,079,030.99/49,156.88
  6. Step 6: Final answer
    x = 36,985.24

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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.