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Finding the Fourth Proportional to 36,316, 50,118.81 and 22,171.58

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Solution

The fourth proportional to 36,316, 50,118.81 and 22,171.58 is: 30,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316 : 50,118.81 = 22,171.58 : x
  2. Step 2: Convert to fraction form
    36,316/50,118.81 = 22,171.58/x
  3. Step 3: Cross multiply
    36,316x = 50,118.81 × 22,171.58
  4. Step 4: Simplify right side
    36,316x = 1,111,213,205.42
  5. Step 5: Solve for x
    x = 1,111,213,205.42/36,316
  6. Step 6: Final answer
    x = 30,598.45

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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.