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Finding the Fourth Proportional to 48,984.80, 73,509.98 and 17,820.05

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Solution

The fourth proportional to 48,984.80, 73,509.98 and 17,820.05 is: 26,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,984.80 : 73,509.98 = 17,820.05 : x
  2. Step 2: Convert to fraction form
    48,984.80/73,509.98 = 17,820.05/x
  3. Step 3: Cross multiply
    48,984.80x = 73,509.98 × 17,820.05
  4. Step 4: Simplify right side
    48,984.80x = 1,309,951,062.45
  5. Step 5: Solve for x
    x = 1,309,951,062.45/48,984.80
  6. Step 6: Final answer
    x = 26,741.99

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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.