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Finding the Fourth Proportional to 48,828.70, 73,133.70 and 37,699.30

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Solution

The fourth proportional to 48,828.70, 73,133.70 and 37,699.30 is: 56,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.70 : 73,133.70 = 37,699.30 : x
  2. Step 2: Convert to fraction form
    48,828.70/73,133.70 = 37,699.30/x
  3. Step 3: Cross multiply
    48,828.70x = 73,133.70 × 37,699.30
  4. Step 4: Simplify right side
    48,828.70x = 2,757,089,296.41
  5. Step 5: Solve for x
    x = 2,757,089,296.41/48,828.70
  6. Step 6: Final answer
    x = 56,464.52

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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.