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Finding the Fourth Proportional to 36,578.08, 50,477.90 and 19,811.08

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Solution

The fourth proportional to 36,578.08, 50,477.90 and 19,811.08 is: 27,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,578.08 : 50,477.90 = 19,811.08 : x
  2. Step 2: Convert to fraction form
    36,578.08/50,477.90 = 19,811.08/x
  3. Step 3: Cross multiply
    36,578.08x = 50,477.90 × 19,811.08
  4. Step 4: Simplify right side
    36,578.08x = 1,000,021,715.13
  5. Step 5: Solve for x
    x = 1,000,021,715.13/36,578.08
  6. Step 6: Final answer
    x = 27,339.37

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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.