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Finding the Fourth Proportional to 7,651.87, 10,556.87 and 5,000.82

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Solution

The fourth proportional to 7,651.87, 10,556.87 and 5,000.82 is: 6,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.87 : 10,556.87 = 5,000.82 : x
  2. Step 2: Convert to fraction form
    7,651.87/10,556.87 = 5,000.82/x
  3. Step 3: Cross multiply
    7,651.87x = 10,556.87 × 5,000.82
  4. Step 4: Simplify right side
    7,651.87x = 52,792,960.79
  5. Step 5: Solve for x
    x = 52,792,960.79/7,651.87
  6. Step 6: Final answer
    x = 6,899.35

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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.