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Finding the Fourth Proportional to 5,016.63, 6,923.10 and 2,778.46

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Solution

The fourth proportional to 5,016.63, 6,923.10 and 2,778.46 is: 3,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.63 : 6,923.10 = 2,778.46 : x
  2. Step 2: Convert to fraction form
    5,016.63/6,923.10 = 2,778.46/x
  3. Step 3: Cross multiply
    5,016.63x = 6,923.10 × 2,778.46
  4. Step 4: Simplify right side
    5,016.63x = 19,235,516.36
  5. Step 5: Solve for x
    x = 19,235,516.36/5,016.63
  6. Step 6: Final answer
    x = 3,834.35

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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.