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Finding the Fourth Proportional to 9,993.88, 13,849.88 and 9,852.94

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Solution

The fourth proportional to 9,993.88, 13,849.88 and 9,852.94 is: 13,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.88 : 13,849.88 = 9,852.94 : x
  2. Step 2: Convert to fraction form
    9,993.88/13,849.88 = 9,852.94/x
  3. Step 3: Cross multiply
    9,993.88x = 13,849.88 × 9,852.94
  4. Step 4: Simplify right side
    9,993.88x = 136,462,026.65
  5. Step 5: Solve for x
    x = 136,462,026.65/9,993.88
  6. Step 6: Final answer
    x = 13,654.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.