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Finding the Fourth Proportional to 36,894.56, 55,341.86 and 15,820.99

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Solution

The fourth proportional to 36,894.56, 55,341.86 and 15,820.99 is: 23,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,894.56 : 55,341.86 = 15,820.99 : x
  2. Step 2: Convert to fraction form
    36,894.56/55,341.86 = 15,820.99/x
  3. Step 3: Cross multiply
    36,894.56x = 55,341.86 × 15,820.99
  4. Step 4: Simplify right side
    36,894.56x = 875,562,796.18
  5. Step 5: Solve for x
    x = 875,562,796.18/36,894.56
  6. Step 6: Final answer
    x = 23,731.49

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Similar ratio
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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.