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Finding the Fourth Proportional to 20,023.84, 30,040.89 and 6,698.94

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Solution

The fourth proportional to 20,023.84, 30,040.89 and 6,698.94 is: 10,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.84 : 30,040.89 = 6,698.94 : x
  2. Step 2: Convert to fraction form
    20,023.84/30,040.89 = 6,698.94/x
  3. Step 3: Cross multiply
    20,023.84x = 30,040.89 × 6,698.94
  4. Step 4: Simplify right side
    20,023.84x = 201,242,119.66
  5. Step 5: Solve for x
    x = 201,242,119.66/20,023.84
  6. Step 6: Final answer
    x = 10,050.13

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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.