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Finding the Fourth Proportional to 56,896.80, 78,501.76 and 36,754.56

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Solution

The fourth proportional to 56,896.80, 78,501.76 and 36,754.56 is: 50,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,896.80 : 78,501.76 = 36,754.56 : x
  2. Step 2: Convert to fraction form
    56,896.80/78,501.76 = 36,754.56/x
  3. Step 3: Cross multiply
    56,896.80x = 78,501.76 × 36,754.56
  4. Step 4: Simplify right side
    56,896.80x = 2,885,297,648.03
  5. Step 5: Solve for x
    x = 2,885,297,648.03/56,896.80
  6. Step 6: Final answer
    x = 50,711.07

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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.