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Finding the Fourth Proportional to 62,796.80, 94,348.80 and 47,244.80

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Solution

The fourth proportional to 62,796.80, 94,348.80 and 47,244.80 is: 70,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.80 : 94,348.80 = 47,244.80 : x
  2. Step 2: Convert to fraction form
    62,796.80/94,348.80 = 47,244.80/x
  3. Step 3: Cross multiply
    62,796.80x = 94,348.80 × 47,244.80
  4. Step 4: Simplify right side
    62,796.80x = 4,457,490,186.24
  5. Step 5: Solve for x
    x = 4,457,490,186.24/62,796.80
  6. Step 6: Final answer
    x = 70,982.76

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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.