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Finding the Fourth Proportional to 5,000.67, 6,901.70 and 2,984.31

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Solution

The fourth proportional to 5,000.67, 6,901.70 and 2,984.31 is: 4,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.67 : 6,901.70 = 2,984.31 : x
  2. Step 2: Convert to fraction form
    5,000.67/6,901.70 = 2,984.31/x
  3. Step 3: Cross multiply
    5,000.67x = 6,901.70 × 2,984.31
  4. Step 4: Simplify right side
    5,000.67x = 20,596,797.41
  5. Step 5: Solve for x
    x = 20,596,797.41/5,000.67
  6. Step 6: Final answer
    x = 4,118.81

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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.