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Finding the Fourth Proportional to 62,541, 93,796.74 and 20,410.20

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Solution

The fourth proportional to 62,541, 93,796.74 and 20,410.20 is: 30,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,541 : 93,796.74 = 20,410.20 : x
  2. Step 2: Convert to fraction form
    62,541/93,796.74 = 20,410.20/x
  3. Step 3: Cross multiply
    62,541x = 93,796.74 × 20,410.20
  4. Step 4: Simplify right side
    62,541x = 1,914,410,222.75
  5. Step 5: Solve for x
    x = 1,914,410,222.75/62,541
  6. Step 6: Final answer
    x = 30,610.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.