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Finding the Fourth Proportional to 48,662.80, 72,994.20 and 48,006.70

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Solution

The fourth proportional to 48,662.80, 72,994.20 and 48,006.70 is: 72,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.80 : 72,994.20 = 48,006.70 : x
  2. Step 2: Convert to fraction form
    48,662.80/72,994.20 = 48,006.70/x
  3. Step 3: Cross multiply
    48,662.80x = 72,994.20 × 48,006.70
  4. Step 4: Simplify right side
    48,662.80x = 3,504,210,661.14
  5. Step 5: Solve for x
    x = 3,504,210,661.14/48,662.80
  6. Step 6: Final answer
    x = 72,010.05

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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.