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Finding the Fourth Proportional to 18,619.39, 27,948.98 and 7,533.33

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Solution

The fourth proportional to 18,619.39, 27,948.98 and 7,533.33 is: 11,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.39 : 27,948.98 = 7,533.33 : x
  2. Step 2: Convert to fraction form
    18,619.39/27,948.98 = 7,533.33/x
  3. Step 3: Cross multiply
    18,619.39x = 27,948.98 × 7,533.33
  4. Step 4: Simplify right side
    18,619.39x = 210,548,889.50
  5. Step 5: Solve for x
    x = 210,548,889.50/18,619.39
  6. Step 6: Final answer
    x = 11,308.04

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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.