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Finding the Fourth Proportional to 12,224.88, 18,333.90 and 4,829.13

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Solution

The fourth proportional to 12,224.88, 18,333.90 and 4,829.13 is: 7,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.88 : 18,333.90 = 4,829.13 : x
  2. Step 2: Convert to fraction form
    12,224.88/18,333.90 = 4,829.13/x
  3. Step 3: Cross multiply
    12,224.88x = 18,333.90 × 4,829.13
  4. Step 4: Simplify right side
    12,224.88x = 88,536,786.51
  5. Step 5: Solve for x
    x = 88,536,786.51/12,224.88
  6. Step 6: Final answer
    x = 7,242.34

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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.