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Finding the Fourth Proportional to 19,597.01, 27,047.31 and 11,099.60

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Solution

The fourth proportional to 19,597.01, 27,047.31 and 11,099.60 is: 15,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.01 : 27,047.31 = 11,099.60 : x
  2. Step 2: Convert to fraction form
    19,597.01/27,047.31 = 11,099.60/x
  3. Step 3: Cross multiply
    19,597.01x = 27,047.31 × 11,099.60
  4. Step 4: Simplify right side
    19,597.01x = 300,214,186.84
  5. Step 5: Solve for x
    x = 300,214,186.84/19,597.01
  6. Step 6: Final answer
    x = 15,319.39

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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.