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Finding the Fourth Proportional to 49,259.95, 73,900.31 and 15,977.42

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Solution

The fourth proportional to 49,259.95, 73,900.31 and 15,977.42 is: 23,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,259.95 : 73,900.31 = 15,977.42 : x
  2. Step 2: Convert to fraction form
    49,259.95/73,900.31 = 15,977.42/x
  3. Step 3: Cross multiply
    49,259.95x = 73,900.31 × 15,977.42
  4. Step 4: Simplify right side
    49,259.95x = 1,180,736,395.86
  5. Step 5: Solve for x
    x = 1,180,736,395.86/49,259.95
  6. Step 6: Final answer
    x = 23,969.50

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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.