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Finding the Fourth Proportional to 4,012.63, 6,018.19 and 1,090.55

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Solution

The fourth proportional to 4,012.63, 6,018.19 and 1,090.55 is: 1,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.63 : 6,018.19 = 1,090.55 : x
  2. Step 2: Convert to fraction form
    4,012.63/6,018.19 = 1,090.55/x
  3. Step 3: Cross multiply
    4,012.63x = 6,018.19 × 1,090.55
  4. Step 4: Simplify right side
    4,012.63x = 6,563,137.10
  5. Step 5: Solve for x
    x = 6,563,137.10/4,012.63
  6. Step 6: Final answer
    x = 1,635.62

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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.