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Finding the Fourth Proportional to 69,973.54, 104,963.95 and 20,048.89

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Solution

The fourth proportional to 69,973.54, 104,963.95 and 20,048.89 is: 30,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.54 : 104,963.95 = 20,048.89 : x
  2. Step 2: Convert to fraction form
    69,973.54/104,963.95 = 20,048.89/x
  3. Step 3: Cross multiply
    69,973.54x = 104,963.95 × 20,048.89
  4. Step 4: Simplify right side
    69,973.54x = 2,104,410,687.52
  5. Step 5: Solve for x
    x = 2,104,410,687.52/69,973.54
  6. Step 6: Final answer
    x = 30,074.38

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1.5x scale

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.