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Finding the Fourth Proportional to 36,840.66, 50,838.48 and 20,924.88

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Solution

The fourth proportional to 36,840.66, 50,838.48 and 20,924.88 is: 28,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.66 : 50,838.48 = 20,924.88 : x
  2. Step 2: Convert to fraction form
    36,840.66/50,838.48 = 20,924.88/x
  3. Step 3: Cross multiply
    36,840.66x = 50,838.48 × 20,924.88
  4. Step 4: Simplify right side
    36,840.66x = 1,063,789,093.38
  5. Step 5: Solve for x
    x = 1,063,789,093.38/36,840.66
  6. Step 6: Final answer
    x = 28,875.41

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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.