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Finding the Fourth Proportional to 4,868.92, 7,300.92 and 2,528.56

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Solution

The fourth proportional to 4,868.92, 7,300.92 and 2,528.56 is: 3,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.92 : 7,300.92 = 2,528.56 : x
  2. Step 2: Convert to fraction form
    4,868.92/7,300.92 = 2,528.56/x
  3. Step 3: Cross multiply
    4,868.92x = 7,300.92 × 2,528.56
  4. Step 4: Simplify right side
    4,868.92x = 18,460,814.28
  5. Step 5: Solve for x
    x = 18,460,814.28/4,868.92
  6. Step 6: Final answer
    x = 3,791.56

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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.