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Finding the Fourth Proportional to 2,415.41, 3,615.81 and 2,184.41

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Solution

The fourth proportional to 2,415.41, 3,615.81 and 2,184.41 is: 3,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.41 : 3,615.81 = 2,184.41 : x
  2. Step 2: Convert to fraction form
    2,415.41/3,615.81 = 2,184.41/x
  3. Step 3: Cross multiply
    2,415.41x = 3,615.81 × 2,184.41
  4. Step 4: Simplify right side
    2,415.41x = 7,898,393.44
  5. Step 5: Solve for x
    x = 7,898,393.44/2,415.41
  6. Step 6: Final answer
    x = 3,270.01

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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.