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Finding the Fourth Proportional to 60,884.56, 84,021.18 and 34,028.20

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Solution

The fourth proportional to 60,884.56, 84,021.18 and 34,028.20 is: 46,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.56 : 84,021.18 = 34,028.20 : x
  2. Step 2: Convert to fraction form
    60,884.56/84,021.18 = 34,028.20/x
  3. Step 3: Cross multiply
    60,884.56x = 84,021.18 × 34,028.20
  4. Step 4: Simplify right side
    60,884.56x = 2,859,089,097.17
  5. Step 5: Solve for x
    x = 2,859,089,097.17/60,884.56
  6. Step 6: Final answer
    x = 46,959.19

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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.