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Finding the Fourth Proportional to 19,296.01, 28,944.05 and 6,809.26

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Solution

The fourth proportional to 19,296.01, 28,944.05 and 6,809.26 is: 10,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.01 : 28,944.05 = 6,809.26 : x
  2. Step 2: Convert to fraction form
    19,296.01/28,944.05 = 6,809.26/x
  3. Step 3: Cross multiply
    19,296.01x = 28,944.05 × 6,809.26
  4. Step 4: Simplify right side
    19,296.01x = 197,087,561.90
  5. Step 5: Solve for x
    x = 197,087,561.90/19,296.01
  6. Step 6: Final answer
    x = 10,213.90

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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.