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Finding the Fourth Proportional to 56,379.99, 77,770.21 and 37,259.94

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Solution

The fourth proportional to 56,379.99, 77,770.21 and 37,259.94 is: 51,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.99 : 77,770.21 = 37,259.94 : x
  2. Step 2: Convert to fraction form
    56,379.99/77,770.21 = 37,259.94/x
  3. Step 3: Cross multiply
    56,379.99x = 77,770.21 × 37,259.94
  4. Step 4: Simplify right side
    56,379.99x = 2,897,713,358.39
  5. Step 5: Solve for x
    x = 2,897,713,358.39/56,379.99
  6. Step 6: Final answer
    x = 51,396.13

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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.