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Finding the Fourth Proportional to 22,407.65, 33,556.03 and 13,019.19

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Solution

The fourth proportional to 22,407.65, 33,556.03 and 13,019.19 is: 19,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.65 : 33,556.03 = 13,019.19 : x
  2. Step 2: Convert to fraction form
    22,407.65/33,556.03 = 13,019.19/x
  3. Step 3: Cross multiply
    22,407.65x = 33,556.03 × 13,019.19
  4. Step 4: Simplify right side
    22,407.65x = 436,872,330.22
  5. Step 5: Solve for x
    x = 436,872,330.22/22,407.65
  6. Step 6: Final answer
    x = 19,496.57

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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.