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Finding the Fourth Proportional to 48,783.80, 73,262.10 and 37,717.40

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Solution

The fourth proportional to 48,783.80, 73,262.10 and 37,717.40 is: 56,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.80 : 73,262.10 = 37,717.40 : x
  2. Step 2: Convert to fraction form
    48,783.80/73,262.10 = 37,717.40/x
  3. Step 3: Cross multiply
    48,783.80x = 73,262.10 × 37,717.40
  4. Step 4: Simplify right side
    48,783.80x = 2,763,255,930.54
  5. Step 5: Solve for x
    x = 2,763,255,930.54/48,783.80
  6. Step 6: Final answer
    x = 56,642.90

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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.