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Finding the Fourth Proportional to 3,435.68, 4,742.36 and 2,443.84

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Solution

The fourth proportional to 3,435.68, 4,742.36 and 2,443.84 is: 3,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.68 : 4,742.36 = 2,443.84 : x
  2. Step 2: Convert to fraction form
    3,435.68/4,742.36 = 2,443.84/x
  3. Step 3: Cross multiply
    3,435.68x = 4,742.36 × 2,443.84
  4. Step 4: Simplify right side
    3,435.68x = 11,589,569.06
  5. Step 5: Solve for x
    x = 11,589,569.06/3,435.68
  6. Step 6: Final answer
    x = 3,373.30

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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.