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Finding the Fourth Proportional to 49,129, 67,798.50 and 26,773.48

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Solution

The fourth proportional to 49,129, 67,798.50 and 26,773.48 is: 36,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129 : 67,798.50 = 26,773.48 : x
  2. Step 2: Convert to fraction form
    49,129/67,798.50 = 26,773.48/x
  3. Step 3: Cross multiply
    49,129x = 67,798.50 × 26,773.48
  4. Step 4: Simplify right side
    49,129x = 1,815,201,783.78
  5. Step 5: Solve for x
    x = 1,815,201,783.78/49,129
  6. Step 6: Final answer
    x = 36,947.66

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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.