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Finding the Fourth Proportional to 3,602.78, 4,974.22 and 2,328.98

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Solution

The fourth proportional to 3,602.78, 4,974.22 and 2,328.98 is: 3,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.78 : 4,974.22 = 2,328.98 : x
  2. Step 2: Convert to fraction form
    3,602.78/4,974.22 = 2,328.98/x
  3. Step 3: Cross multiply
    3,602.78x = 4,974.22 × 2,328.98
  4. Step 4: Simplify right side
    3,602.78x = 11,584,858.90
  5. Step 5: Solve for x
    x = 11,584,858.90/3,602.78
  6. Step 6: Final answer
    x = 3,215.53

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1.5x scale

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.