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Finding the Fourth Proportional to 19,493.34, 29,242.29 and 6,839.22

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Solution

The fourth proportional to 19,493.34, 29,242.29 and 6,839.22 is: 10,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.34 : 29,242.29 = 6,839.22 : x
  2. Step 2: Convert to fraction form
    19,493.34/29,242.29 = 6,839.22/x
  3. Step 3: Cross multiply
    19,493.34x = 29,242.29 × 6,839.22
  4. Step 4: Simplify right side
    19,493.34x = 199,994,454.61
  5. Step 5: Solve for x
    x = 199,994,454.61/19,493.34
  6. Step 6: Final answer
    x = 10,259.63

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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.