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Finding the Fourth Proportional to 56,900.59, 78,504.09 and 36,769.33

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Solution

The fourth proportional to 56,900.59, 78,504.09 and 36,769.33 is: 50,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.59 : 78,504.09 = 36,769.33 : x
  2. Step 2: Convert to fraction form
    56,900.59/78,504.09 = 36,769.33/x
  3. Step 3: Cross multiply
    56,900.59x = 78,504.09 × 36,769.33
  4. Step 4: Simplify right side
    56,900.59x = 2,886,542,607.71
  5. Step 5: Solve for x
    x = 2,886,542,607.71/56,900.59
  6. Step 6: Final answer
    x = 50,729.57

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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.