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Finding the Fourth Proportional to 36,656.90, 50,587.11 and 19,889.90

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Solution

The fourth proportional to 36,656.90, 50,587.11 and 19,889.90 is: 27,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,656.90 : 50,587.11 = 19,889.90 : x
  2. Step 2: Convert to fraction form
    36,656.90/50,587.11 = 19,889.90/x
  3. Step 3: Cross multiply
    36,656.90x = 50,587.11 × 19,889.90
  4. Step 4: Simplify right side
    36,656.90x = 1,006,172,559.19
  5. Step 5: Solve for x
    x = 1,006,172,559.19/36,656.90
  6. Step 6: Final answer
    x = 27,448.38

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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.