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Finding the Fourth Proportional to 7,651.92, 10,559.52 and 4,507.56

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Solution

The fourth proportional to 7,651.92, 10,559.52 and 4,507.56 is: 6,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.92 : 10,559.52 = 4,507.56 : x
  2. Step 2: Convert to fraction form
    7,651.92/10,559.52 = 4,507.56/x
  3. Step 3: Cross multiply
    7,651.92x = 10,559.52 × 4,507.56
  4. Step 4: Simplify right side
    7,651.92x = 47,597,669.97
  5. Step 5: Solve for x
    x = 47,597,669.97/7,651.92
  6. Step 6: Final answer
    x = 6,220.36

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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.