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Finding the Fourth Proportional to 48,755.67, 73,136.34 and 13,698.06

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Solution

The fourth proportional to 48,755.67, 73,136.34 and 13,698.06 is: 20,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.67 : 73,136.34 = 13,698.06 : x
  2. Step 2: Convert to fraction form
    48,755.67/73,136.34 = 13,698.06/x
  3. Step 3: Cross multiply
    48,755.67x = 73,136.34 × 13,698.06
  4. Step 4: Simplify right side
    48,755.67x = 1,001,825,973.50
  5. Step 5: Solve for x
    x = 1,001,825,973.50/48,755.67
  6. Step 6: Final answer
    x = 20,547.89

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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.