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Finding the Fourth Proportional to 13,224.98, 19,844.98 and 4,910.74

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Solution

The fourth proportional to 13,224.98, 19,844.98 and 4,910.74 is: 7,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.98 : 19,844.98 = 4,910.74 : x
  2. Step 2: Convert to fraction form
    13,224.98/19,844.98 = 4,910.74/x
  3. Step 3: Cross multiply
    13,224.98x = 19,844.98 × 4,910.74
  4. Step 4: Simplify right side
    13,224.98x = 97,453,537.09
  5. Step 5: Solve for x
    x = 97,453,537.09/13,224.98
  6. Step 6: Final answer
    x = 7,368.90

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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.