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Finding the Fourth Proportional to 48,829.60, 73,253.04 and 19,259.20

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Solution

The fourth proportional to 48,829.60, 73,253.04 and 19,259.20 is: 28,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,829.60 : 73,253.04 = 19,259.20 : x
  2. Step 2: Convert to fraction form
    48,829.60/73,253.04 = 19,259.20/x
  3. Step 3: Cross multiply
    48,829.60x = 73,253.04 × 19,259.20
  4. Step 4: Simplify right side
    48,829.60x = 1,410,794,947.97
  5. Step 5: Solve for x
    x = 1,410,794,947.97/48,829.60
  6. Step 6: Final answer
    x = 28,892.21

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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.