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Finding the Fourth Proportional to 62,615.60, 86,409.33 and 33,936.10

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Solution

The fourth proportional to 62,615.60, 86,409.33 and 33,936.10 is: 46,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.60 : 86,409.33 = 33,936.10 : x
  2. Step 2: Convert to fraction form
    62,615.60/86,409.33 = 33,936.10/x
  3. Step 3: Cross multiply
    62,615.60x = 86,409.33 × 33,936.10
  4. Step 4: Simplify right side
    62,615.60x = 2,932,395,663.81
  5. Step 5: Solve for x
    x = 2,932,395,663.81/62,615.60
  6. Step 6: Final answer
    x = 46,831.71

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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.