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Finding the Fourth Proportional to 7,559.54, 11,340.48 and 3,859.76

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Solution

The fourth proportional to 7,559.54, 11,340.48 and 3,859.76 is: 5,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.54 : 11,340.48 = 3,859.76 : x
  2. Step 2: Convert to fraction form
    7,559.54/11,340.48 = 3,859.76/x
  3. Step 3: Cross multiply
    7,559.54x = 11,340.48 × 3,859.76
  4. Step 4: Simplify right side
    7,559.54x = 43,771,559.44
  5. Step 5: Solve for x
    x = 43,771,559.44/7,559.54
  6. Step 6: Final answer
    x = 5,790.24

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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.