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Finding the Fourth Proportional to 19,773.62, 27,266.88 and 13,050.42

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Solution

The fourth proportional to 19,773.62, 27,266.88 and 13,050.42 is: 17,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.62 : 27,266.88 = 13,050.42 : x
  2. Step 2: Convert to fraction form
    19,773.62/27,266.88 = 13,050.42/x
  3. Step 3: Cross multiply
    19,773.62x = 27,266.88 × 13,050.42
  4. Step 4: Simplify right side
    19,773.62x = 355,844,109.37
  5. Step 5: Solve for x
    x = 355,844,109.37/19,773.62
  6. Step 6: Final answer
    x = 17,995.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.