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Finding the Fourth Proportional to 4,999.84, 6,900.39 and 2,903.97

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Solution

The fourth proportional to 4,999.84, 6,900.39 and 2,903.97 is: 4,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.84 : 6,900.39 = 2,903.97 : x
  2. Step 2: Convert to fraction form
    4,999.84/6,900.39 = 2,903.97/x
  3. Step 3: Cross multiply
    4,999.84x = 6,900.39 × 2,903.97
  4. Step 4: Simplify right side
    4,999.84x = 20,038,525.55
  5. Step 5: Solve for x
    x = 20,038,525.55/4,999.84
  6. Step 6: Final answer
    x = 4,007.83

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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.