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Finding the Fourth Proportional to 8,849.98, 13,245.81 and 7,877.98

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Solution

The fourth proportional to 8,849.98, 13,245.81 and 7,877.98 is: 11,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.98 : 13,245.81 = 7,877.98 : x
  2. Step 2: Convert to fraction form
    8,849.98/13,245.81 = 7,877.98/x
  3. Step 3: Cross multiply
    8,849.98x = 13,245.81 × 7,877.98
  4. Step 4: Simplify right side
    8,849.98x = 104,350,226.26
  5. Step 5: Solve for x
    x = 104,350,226.26/8,849.98
  6. Step 6: Final answer
    x = 11,791.01

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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.