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Finding the Fourth Proportional to 2,984.68, 4,118.54 and 1,725.54

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Solution

The fourth proportional to 2,984.68, 4,118.54 and 1,725.54 is: 2,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.68 : 4,118.54 = 1,725.54 : x
  2. Step 2: Convert to fraction form
    2,984.68/4,118.54 = 1,725.54/x
  3. Step 3: Cross multiply
    2,984.68x = 4,118.54 × 1,725.54
  4. Step 4: Simplify right side
    2,984.68x = 7,106,684.92
  5. Step 5: Solve for x
    x = 7,106,684.92/2,984.68
  6. Step 6: Final answer
    x = 2,381.05

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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.