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Finding the Fourth Proportional to 36,188.99, 49,971.40 and 27,220.87

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Solution

The fourth proportional to 36,188.99, 49,971.40 and 27,220.87 is: 37,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.99 : 49,971.40 = 27,220.87 : x
  2. Step 2: Convert to fraction form
    36,188.99/49,971.40 = 27,220.87/x
  3. Step 3: Cross multiply
    36,188.99x = 49,971.40 × 27,220.87
  4. Step 4: Simplify right side
    36,188.99x = 1,360,264,847.01
  5. Step 5: Solve for x
    x = 1,360,264,847.01/36,188.99
  6. Step 6: Final answer
    x = 37,587.81

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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.