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Finding the Fourth Proportional to 43,643.81, 60,235.75 and 25,743.22

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Solution

The fourth proportional to 43,643.81, 60,235.75 and 25,743.22 is: 35,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.81 : 60,235.75 = 25,743.22 : x
  2. Step 2: Convert to fraction form
    43,643.81/60,235.75 = 25,743.22/x
  3. Step 3: Cross multiply
    43,643.81x = 60,235.75 × 25,743.22
  4. Step 4: Simplify right side
    43,643.81x = 1,550,662,045.70
  5. Step 5: Solve for x
    x = 1,550,662,045.70/43,643.81
  6. Step 6: Final answer
    x = 35,529.94

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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.