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Finding the Fourth Proportional to 36,501.44, 50,388.89 and 21,392.10

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Solution

The fourth proportional to 36,501.44, 50,388.89 and 21,392.10 is: 29,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.44 : 50,388.89 = 21,392.10 : x
  2. Step 2: Convert to fraction form
    36,501.44/50,388.89 = 21,392.10/x
  3. Step 3: Cross multiply
    36,501.44x = 50,388.89 × 21,392.10
  4. Step 4: Simplify right side
    36,501.44x = 1,077,924,066.81
  5. Step 5: Solve for x
    x = 1,077,924,066.81/36,501.44
  6. Step 6: Final answer
    x = 29,531.01

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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.