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Finding the Fourth Proportional to 19,398.39, 29,079.03 and 6,241.50

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Solution

The fourth proportional to 19,398.39, 29,079.03 and 6,241.50 is: 9,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.39 : 29,079.03 = 6,241.50 : x
  2. Step 2: Convert to fraction form
    19,398.39/29,079.03 = 6,241.50/x
  3. Step 3: Cross multiply
    19,398.39x = 29,079.03 × 6,241.50
  4. Step 4: Simplify right side
    19,398.39x = 181,496,765.75
  5. Step 5: Solve for x
    x = 181,496,765.75/19,398.39
  6. Step 6: Final answer
    x = 9,356.28

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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.