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Finding the Fourth Proportional to 8,411.93, 11,609.00 and 4,635.09

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Solution

The fourth proportional to 8,411.93, 11,609.00 and 4,635.09 is: 6,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.93 : 11,609.00 = 4,635.09 : x
  2. Step 2: Convert to fraction form
    8,411.93/11,609.00 = 4,635.09/x
  3. Step 3: Cross multiply
    8,411.93x = 11,609.00 × 4,635.09
  4. Step 4: Simplify right side
    8,411.93x = 53,808,736.63
  5. Step 5: Solve for x
    x = 53,808,736.63/8,411.93
  6. Step 6: Final answer
    x = 6,396.72

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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.