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Finding the Fourth Proportional to 69,555.51, 104,334.35 and 16,965.99

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Solution

The fourth proportional to 69,555.51, 104,334.35 and 16,965.99 is: 25,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.51 : 104,334.35 = 16,965.99 : x
  2. Step 2: Convert to fraction form
    69,555.51/104,334.35 = 16,965.99/x
  3. Step 3: Cross multiply
    69,555.51x = 104,334.35 × 16,965.99
  4. Step 4: Simplify right side
    69,555.51x = 1,770,135,538.76
  5. Step 5: Solve for x
    x = 1,770,135,538.76/69,555.51
  6. Step 6: Final answer
    x = 25,449.25

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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.