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Finding the Fourth Proportional to 13,296.60, 19,945.44 and 7,062.48

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Solution

The fourth proportional to 13,296.60, 19,945.44 and 7,062.48 is: 10,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.60 : 19,945.44 = 7,062.48 : x
  2. Step 2: Convert to fraction form
    13,296.60/19,945.44 = 7,062.48/x
  3. Step 3: Cross multiply
    13,296.60x = 19,945.44 × 7,062.48
  4. Step 4: Simplify right side
    13,296.60x = 140,864,271.09
  5. Step 5: Solve for x
    x = 140,864,271.09/13,296.60
  6. Step 6: Final answer
    x = 10,594.01

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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.