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Finding the Fourth Proportional to 19,393.94, 29,093.52 and 6,243.14

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Solution

The fourth proportional to 19,393.94, 29,093.52 and 6,243.14 is: 9,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.94 : 29,093.52 = 6,243.14 : x
  2. Step 2: Convert to fraction form
    19,393.94/29,093.52 = 6,243.14/x
  3. Step 3: Cross multiply
    19,393.94x = 29,093.52 × 6,243.14
  4. Step 4: Simplify right side
    19,393.94x = 181,634,918.45
  5. Step 5: Solve for x
    x = 181,634,918.45/19,393.94
  6. Step 6: Final answer
    x = 9,365.55

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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.