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Finding the Fourth Proportional to 56,663.73, 78,212.43 and 37,800.81

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Solution

The fourth proportional to 56,663.73, 78,212.43 and 37,800.81 is: 52,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663.73 : 78,212.43 = 37,800.81 : x
  2. Step 2: Convert to fraction form
    56,663.73/78,212.43 = 37,800.81/x
  3. Step 3: Cross multiply
    56,663.73x = 78,212.43 × 37,800.81
  4. Step 4: Simplify right side
    56,663.73x = 2,956,493,206.07
  5. Step 5: Solve for x
    x = 2,956,493,206.07/56,663.73
  6. Step 6: Final answer
    x = 52,176.11

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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.