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Finding the Fourth Proportional to 56,325.45, 77,723.80 and 33,659.93

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Solution

The fourth proportional to 56,325.45, 77,723.80 and 33,659.93 is: 46,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.45 : 77,723.80 = 33,659.93 : x
  2. Step 2: Convert to fraction form
    56,325.45/77,723.80 = 33,659.93/x
  3. Step 3: Cross multiply
    56,325.45x = 77,723.80 × 33,659.93
  4. Step 4: Simplify right side
    56,325.45x = 2,616,177,417.94
  5. Step 5: Solve for x
    x = 2,616,177,417.94/56,325.45
  6. Step 6: Final answer
    x = 46,447.52

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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.