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Finding the Fourth Proportional to 62,532.63, 86,370.77 and 45,509.87

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Solution

The fourth proportional to 62,532.63, 86,370.77 and 45,509.87 is: 62,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,532.63 : 86,370.77 = 45,509.87 : x
  2. Step 2: Convert to fraction form
    62,532.63/86,370.77 = 45,509.87/x
  3. Step 3: Cross multiply
    62,532.63x = 86,370.77 × 45,509.87
  4. Step 4: Simplify right side
    62,532.63x = 3,930,722,844.20
  5. Step 5: Solve for x
    x = 3,930,722,844.20/62,532.63
  6. Step 6: Final answer
    x = 62,858.75

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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.