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Finding the Fourth Proportional to 62,630.48, 86,407.92 and 35,753.60

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Solution

The fourth proportional to 62,630.48, 86,407.92 and 35,753.60 is: 49,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.48 : 86,407.92 = 35,753.60 : x
  2. Step 2: Convert to fraction form
    62,630.48/86,407.92 = 35,753.60/x
  3. Step 3: Cross multiply
    62,630.48x = 86,407.92 × 35,753.60
  4. Step 4: Simplify right side
    62,630.48x = 3,089,394,208.51
  5. Step 5: Solve for x
    x = 3,089,394,208.51/62,630.48
  6. Step 6: Final answer
    x = 49,327.33

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1.5x scale

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.