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Finding the Fourth Proportional to 36,741.20, 55,111.80 and 23,619.20

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Solution

The fourth proportional to 36,741.20, 55,111.80 and 23,619.20 is: 35,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,741.20 : 55,111.80 = 23,619.20 : x
  2. Step 2: Convert to fraction form
    36,741.20/55,111.80 = 23,619.20/x
  3. Step 3: Cross multiply
    36,741.20x = 55,111.80 × 23,619.20
  4. Step 4: Simplify right side
    36,741.20x = 1,301,696,626.56
  5. Step 5: Solve for x
    x = 1,301,696,626.56/36,741.20
  6. Step 6: Final answer
    x = 35,428.80

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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.