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Finding the Fourth Proportional to 19,097.56, 28,657.49 and 8,003.33

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Solution

The fourth proportional to 19,097.56, 28,657.49 and 8,003.33 is: 12,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.56 : 28,657.49 = 8,003.33 : x
  2. Step 2: Convert to fraction form
    19,097.56/28,657.49 = 8,003.33/x
  3. Step 3: Cross multiply
    19,097.56x = 28,657.49 × 8,003.33
  4. Step 4: Simplify right side
    19,097.56x = 229,355,166.14
  5. Step 5: Solve for x
    x = 229,355,166.14/19,097.56
  6. Step 6: Final answer
    x = 12,009.66

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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.