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Finding the Fourth Proportional to 4,903.42, 7,362.42 and 4,815.94

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Solution

The fourth proportional to 4,903.42, 7,362.42 and 4,815.94 is: 7,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.42 : 7,362.42 = 4,815.94 : x
  2. Step 2: Convert to fraction form
    4,903.42/7,362.42 = 4,815.94/x
  3. Step 3: Cross multiply
    4,903.42x = 7,362.42 × 4,815.94
  4. Step 4: Simplify right side
    4,903.42x = 35,456,972.97
  5. Step 5: Solve for x
    x = 35,456,972.97/4,903.42
  6. Step 6: Final answer
    x = 7,231.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.