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Finding the Fourth Proportional to 62,323.43, 85,976.44 and 45,301.28

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Solution

The fourth proportional to 62,323.43, 85,976.44 and 45,301.28 is: 62,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,323.43 : 85,976.44 = 45,301.28 : x
  2. Step 2: Convert to fraction form
    62,323.43/85,976.44 = 45,301.28/x
  3. Step 3: Cross multiply
    62,323.43x = 85,976.44 × 45,301.28
  4. Step 4: Simplify right side
    62,323.43x = 3,894,842,238.71
  5. Step 5: Solve for x
    x = 3,894,842,238.71/62,323.43
  6. Step 6: Final answer
    x = 62,494.03

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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.