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Finding the Fourth Proportional to 2,444.68, 3,666.30 and 712.84

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Solution

The fourth proportional to 2,444.68, 3,666.30 and 712.84 is: 1,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.68 : 3,666.30 = 712.84 : x
  2. Step 2: Convert to fraction form
    2,444.68/3,666.30 = 712.84/x
  3. Step 3: Cross multiply
    2,444.68x = 3,666.30 × 712.84
  4. Step 4: Simplify right side
    2,444.68x = 2,613,485.29
  5. Step 5: Solve for x
    x = 2,613,485.29/2,444.68
  6. Step 6: Final answer
    x = 1,069.05

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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.