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Finding the Fourth Proportional to 69,403.50, 104,097.51 and 19,485.54

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Solution

The fourth proportional to 69,403.50, 104,097.51 and 19,485.54 is: 29,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,403.50 : 104,097.51 = 19,485.54 : x
  2. Step 2: Convert to fraction form
    69,403.50/104,097.51 = 19,485.54/x
  3. Step 3: Cross multiply
    69,403.50x = 104,097.51 × 19,485.54
  4. Step 4: Simplify right side
    69,403.50x = 2,028,396,195.01
  5. Step 5: Solve for x
    x = 2,028,396,195.01/69,403.50
  6. Step 6: Final answer
    x = 29,226.14

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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.