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Finding the Fourth Proportional to 62,471.04, 86,209.78 and 33,790.71

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Solution

The fourth proportional to 62,471.04, 86,209.78 and 33,790.71 is: 46,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.04 : 86,209.78 = 33,790.71 : x
  2. Step 2: Convert to fraction form
    62,471.04/86,209.78 = 33,790.71/x
  3. Step 3: Cross multiply
    62,471.04x = 86,209.78 × 33,790.71
  4. Step 4: Simplify right side
    62,471.04x = 2,913,089,675.14
  5. Step 5: Solve for x
    x = 2,913,089,675.14/62,471.04
  6. Step 6: Final answer
    x = 46,631.04

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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.