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Finding the Fourth Proportional to 37,068, 51,153.84 and 20,301.60

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Solution

The fourth proportional to 37,068, 51,153.84 and 20,301.60 is: 28,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068 : 51,153.84 = 20,301.60 : x
  2. Step 2: Convert to fraction form
    37,068/51,153.84 = 20,301.60/x
  3. Step 3: Cross multiply
    37,068x = 51,153.84 × 20,301.60
  4. Step 4: Simplify right side
    37,068x = 1,038,504,798.14
  5. Step 5: Solve for x
    x = 1,038,504,798.14/37,068
  6. Step 6: Final answer
    x = 28,016.21

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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.