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Finding the Fourth Proportional to 2,184.68, 3,014.68 and 1,227.64

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Solution

The fourth proportional to 2,184.68, 3,014.68 and 1,227.64 is: 1,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.68 : 3,014.68 = 1,227.64 : x
  2. Step 2: Convert to fraction form
    2,184.68/3,014.68 = 1,227.64/x
  3. Step 3: Cross multiply
    2,184.68x = 3,014.68 × 1,227.64
  4. Step 4: Simplify right side
    2,184.68x = 3,700,941.76
  5. Step 5: Solve for x
    x = 3,700,941.76/2,184.68
  6. Step 6: Final answer
    x = 1,694.04

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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.