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Finding the Fourth Proportional to 56,937.70, 78,606.81 and 37,843.36

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Solution

The fourth proportional to 56,937.70, 78,606.81 and 37,843.36 is: 52,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.70 : 78,606.81 = 37,843.36 : x
  2. Step 2: Convert to fraction form
    56,937.70/78,606.81 = 37,843.36/x
  3. Step 3: Cross multiply
    56,937.70x = 78,606.81 × 37,843.36
  4. Step 4: Simplify right side
    56,937.70x = 2,974,745,809.28
  5. Step 5: Solve for x
    x = 2,974,745,809.28/56,937.70
  6. Step 6: Final answer
    x = 52,245.63

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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.