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Finding the Fourth Proportional to 38,808, 53,555.04 and 22,041

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Solution

The fourth proportional to 38,808, 53,555.04 and 22,041 is: 30,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808 : 53,555.04 = 22,041 : x
  2. Step 2: Convert to fraction form
    38,808/53,555.04 = 22,041/x
  3. Step 3: Cross multiply
    38,808x = 53,555.04 × 22,041
  4. Step 4: Simplify right side
    38,808x = 1,180,406,636.64
  5. Step 5: Solve for x
    x = 1,180,406,636.64/38,808
  6. Step 6: Final answer
    x = 30,416.58

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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.