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Finding the Fourth Proportional to 56,459.44, 77,911.77 and 33,811.03

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Solution

The fourth proportional to 56,459.44, 77,911.77 and 33,811.03 is: 46,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.44 : 77,911.77 = 33,811.03 : x
  2. Step 2: Convert to fraction form
    56,459.44/77,911.77 = 33,811.03/x
  3. Step 3: Cross multiply
    56,459.44x = 77,911.77 × 33,811.03
  4. Step 4: Simplify right side
    56,459.44x = 2,634,277,192.82
  5. Step 5: Solve for x
    x = 2,634,277,192.82/56,459.44
  6. Step 6: Final answer
    x = 46,657.87

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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.