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Finding the Fourth Proportional to 69,844.80, 104,815.80 and 44,945.40

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Solution

The fourth proportional to 69,844.80, 104,815.80 and 44,945.40 is: 67,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844.80 : 104,815.80 = 44,945.40 : x
  2. Step 2: Convert to fraction form
    69,844.80/104,815.80 = 44,945.40/x
  3. Step 3: Cross multiply
    69,844.80x = 104,815.80 × 44,945.40
  4. Step 4: Simplify right side
    69,844.80x = 4,710,988,057.32
  5. Step 5: Solve for x
    x = 4,710,988,057.32/69,844.80
  6. Step 6: Final answer
    x = 67,449.37

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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.