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Finding the Fourth Proportional to 62,847.90, 94,381.20 and 33,323.40

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Solution

The fourth proportional to 62,847.90, 94,381.20 and 33,323.40 is: 50,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,847.90 : 94,381.20 = 33,323.40 : x
  2. Step 2: Convert to fraction form
    62,847.90/94,381.20 = 33,323.40/x
  3. Step 3: Cross multiply
    62,847.90x = 94,381.20 × 33,323.40
  4. Step 4: Simplify right side
    62,847.90x = 3,145,102,480.08
  5. Step 5: Solve for x
    x = 3,145,102,480.08/62,847.90
  6. Step 6: Final answer
    x = 50,043.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.