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Finding the Fourth Proportional to 56,901.09, 78,504.78 and 36,769.83

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Solution

The fourth proportional to 56,901.09, 78,504.78 and 36,769.83 is: 50,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.09 : 78,504.78 = 36,769.83 : x
  2. Step 2: Convert to fraction form
    56,901.09/78,504.78 = 36,769.83/x
  3. Step 3: Cross multiply
    56,901.09x = 78,504.78 × 36,769.83
  4. Step 4: Simplify right side
    56,901.09x = 2,886,607,414.79
  5. Step 5: Solve for x
    x = 2,886,607,414.79/56,901.09
  6. Step 6: Final answer
    x = 50,730.27

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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.