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Finding the Fourth Proportional to 58,846.64, 81,207.70 and 43,806.56

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Solution

The fourth proportional to 58,846.64, 81,207.70 and 43,806.56 is: 60,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.64 : 81,207.70 = 43,806.56 : x
  2. Step 2: Convert to fraction form
    58,846.64/81,207.70 = 43,806.56/x
  3. Step 3: Cross multiply
    58,846.64x = 81,207.70 × 43,806.56
  4. Step 4: Simplify right side
    58,846.64x = 3,557,429,982.51
  5. Step 5: Solve for x
    x = 3,557,429,982.51/58,846.64
  6. Step 6: Final answer
    x = 60,452.56

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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.