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Finding the Fourth Proportional to 48,806.80, 73,296.60 and 37,740.40

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Solution

The fourth proportional to 48,806.80, 73,296.60 and 37,740.40 is: 56,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,806.80 : 73,296.60 = 37,740.40 : x
  2. Step 2: Convert to fraction form
    48,806.80/73,296.60 = 37,740.40/x
  3. Step 3: Cross multiply
    48,806.80x = 73,296.60 × 37,740.40
  4. Step 4: Simplify right side
    48,806.80x = 2,766,243,002.64
  5. Step 5: Solve for x
    x = 2,766,243,002.64/48,806.80
  6. Step 6: Final answer
    x = 56,677.41

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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.