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Finding the Fourth Proportional to 2,415.88, 3,602.12 and 2,372.12

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Solution

The fourth proportional to 2,415.88, 3,602.12 and 2,372.12 is: 3,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.88 : 3,602.12 = 2,372.12 : x
  2. Step 2: Convert to fraction form
    2,415.88/3,602.12 = 2,372.12/x
  3. Step 3: Cross multiply
    2,415.88x = 3,602.12 × 2,372.12
  4. Step 4: Simplify right side
    2,415.88x = 8,544,660.89
  5. Step 5: Solve for x
    x = 8,544,660.89/2,415.88
  6. Step 6: Final answer
    x = 3,536.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.