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Finding the Fourth Proportional to 7,651.45, 11,467.59 and 4,141.45

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Solution

The fourth proportional to 7,651.45, 11,467.59 and 4,141.45 is: 6,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.45 : 11,467.59 = 4,141.45 : x
  2. Step 2: Convert to fraction form
    7,651.45/11,467.59 = 4,141.45/x
  3. Step 3: Cross multiply
    7,651.45x = 11,467.59 × 4,141.45
  4. Step 4: Simplify right side
    7,651.45x = 47,492,450.61
  5. Step 5: Solve for x
    x = 47,492,450.61/7,651.45
  6. Step 6: Final answer
    x = 6,206.99

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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.