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Finding the Fourth Proportional to 19,004.80, 26,224.32 and 11,048.32

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Solution

The fourth proportional to 19,004.80, 26,224.32 and 11,048.32 is: 15,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.80 : 26,224.32 = 11,048.32 : x
  2. Step 2: Convert to fraction form
    19,004.80/26,224.32 = 11,048.32/x
  3. Step 3: Cross multiply
    19,004.80x = 26,224.32 × 11,048.32
  4. Step 4: Simplify right side
    19,004.80x = 289,734,679.14
  5. Step 5: Solve for x
    x = 289,734,679.14/19,004.80
  6. Step 6: Final answer
    x = 15,245.34

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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.