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Finding the Fourth Proportional to 3,305.80, 5,055.93 and 3,305.80

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Solution

The fourth proportional to 3,305.80, 5,055.93 and 3,305.80 is: 5,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.80 : 5,055.93 = 3,305.80 : x
  2. Step 2: Convert to fraction form
    3,305.80/5,055.93 = 3,305.80/x
  3. Step 3: Cross multiply
    3,305.80x = 5,055.93 × 3,305.80
  4. Step 4: Simplify right side
    3,305.80x = 16,713,893.39
  5. Step 5: Solve for x
    x = 16,713,893.39/3,305.80
  6. Step 6: Final answer
    x = 5,055.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.