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Finding the Fourth Proportional to 2,697.63, 3,723.08 and 1,518.99

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Solution

The fourth proportional to 2,697.63, 3,723.08 and 1,518.99 is: 2,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.63 : 3,723.08 = 1,518.99 : x
  2. Step 2: Convert to fraction form
    2,697.63/3,723.08 = 1,518.99/x
  3. Step 3: Cross multiply
    2,697.63x = 3,723.08 × 1,518.99
  4. Step 4: Simplify right side
    2,697.63x = 5,655,313.69
  5. Step 5: Solve for x
    x = 5,655,313.69/2,697.63
  6. Step 6: Final answer
    x = 2,096.40

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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.