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Finding the Fourth Proportional to 4,902.36, 6,765.75 and 2,913.36

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Solution

The fourth proportional to 4,902.36, 6,765.75 and 2,913.36 is: 4,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.36 : 6,765.75 = 2,913.36 : x
  2. Step 2: Convert to fraction form
    4,902.36/6,765.75 = 2,913.36/x
  3. Step 3: Cross multiply
    4,902.36x = 6,765.75 × 2,913.36
  4. Step 4: Simplify right side
    4,902.36x = 19,711,065.42
  5. Step 5: Solve for x
    x = 19,711,065.42/4,902.36
  6. Step 6: Final answer
    x = 4,020.73

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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.