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Finding the Fourth Proportional to 62,630.70, 86,463.63 and 42,594.54

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Solution

The fourth proportional to 62,630.70, 86,463.63 and 42,594.54 is: 58,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.70 : 86,463.63 = 42,594.54 : x
  2. Step 2: Convert to fraction form
    62,630.70/86,463.63 = 42,594.54/x
  3. Step 3: Cross multiply
    62,630.70x = 86,463.63 × 42,594.54
  4. Step 4: Simplify right side
    62,630.70x = 3,682,878,546.58
  5. Step 5: Solve for x
    x = 3,682,878,546.58/62,630.70
  6. Step 6: Final answer
    x = 58,803.09

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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.