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Finding the Fourth Proportional to 49,140.68, 67,813.98 and 26,784.68

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Solution

The fourth proportional to 49,140.68, 67,813.98 and 26,784.68 is: 36,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140.68 : 67,813.98 = 26,784.68 : x
  2. Step 2: Convert to fraction form
    49,140.68/67,813.98 = 26,784.68/x
  3. Step 3: Cross multiply
    49,140.68x = 67,813.98 × 26,784.68
  4. Step 4: Simplify right side
    49,140.68x = 1,816,375,753.83
  5. Step 5: Solve for x
    x = 1,816,375,753.83/49,140.68
  6. Step 6: Final answer
    x = 36,962.77

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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.