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Finding the Fourth Proportional to 5,000.84, 6,900.09 and 2,903.84

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Solution

The fourth proportional to 5,000.84, 6,900.09 and 2,903.84 is: 4,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.84 : 6,900.09 = 2,903.84 : x
  2. Step 2: Convert to fraction form
    5,000.84/6,900.09 = 2,903.84/x
  3. Step 3: Cross multiply
    5,000.84x = 6,900.09 × 2,903.84
  4. Step 4: Simplify right side
    5,000.84x = 20,036,757.35
  5. Step 5: Solve for x
    x = 20,036,757.35/5,000.84
  6. Step 6: Final answer
    x = 4,006.68

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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.