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Finding the Fourth Proportional to 62,783.70, 86,582.05 and 41,235.53

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Solution

The fourth proportional to 62,783.70, 86,582.05 and 41,235.53 is: 56,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,783.70 : 86,582.05 = 41,235.53 : x
  2. Step 2: Convert to fraction form
    62,783.70/86,582.05 = 41,235.53/x
  3. Step 3: Cross multiply
    62,783.70x = 86,582.05 × 41,235.53
  4. Step 4: Simplify right side
    62,783.70x = 3,570,256,081.15
  5. Step 5: Solve for x
    x = 3,570,256,081.15/62,783.70
  6. Step 6: Final answer
    x = 56,865.97

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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.