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Finding the Fourth Proportional to 36,758.07, 50,726.13 and 19,991.07

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Solution

The fourth proportional to 36,758.07, 50,726.13 and 19,991.07 is: 27,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.07 : 50,726.13 = 19,991.07 : x
  2. Step 2: Convert to fraction form
    36,758.07/50,726.13 = 19,991.07/x
  3. Step 3: Cross multiply
    36,758.07x = 50,726.13 × 19,991.07
  4. Step 4: Simplify right side
    36,758.07x = 1,014,069,615.66
  5. Step 5: Solve for x
    x = 1,014,069,615.66/36,758.07
  6. Step 6: Final answer
    x = 27,587.67

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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.