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Finding the Fourth Proportional to 48,755.40, 73,127.40 and 13,698.06

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Solution

The fourth proportional to 48,755.40, 73,127.40 and 13,698.06 is: 20,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.40 : 73,127.40 = 13,698.06 : x
  2. Step 2: Convert to fraction form
    48,755.40/73,127.40 = 13,698.06/x
  3. Step 3: Cross multiply
    48,755.40x = 73,127.40 × 13,698.06
  4. Step 4: Simplify right side
    48,755.40x = 1,001,703,512.84
  5. Step 5: Solve for x
    x = 1,001,703,512.84/48,755.40
  6. Step 6: Final answer
    x = 20,545.49

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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.