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Finding the Fourth Proportional to 4,874.50, 6,725.21 and 2,984.11

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Solution

The fourth proportional to 4,874.50, 6,725.21 and 2,984.11 is: 4,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.50 : 6,725.21 = 2,984.11 : x
  2. Step 2: Convert to fraction form
    4,874.50/6,725.21 = 2,984.11/x
  3. Step 3: Cross multiply
    4,874.50x = 6,725.21 × 2,984.11
  4. Step 4: Simplify right side
    4,874.50x = 20,068,751.47
  5. Step 5: Solve for x
    x = 20,068,751.47/4,874.50
  6. Step 6: Final answer
    x = 4,117.09

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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.