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Finding the Fourth Proportional to 9,892.08, 14,896.80 and 8,609.04

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Solution

The fourth proportional to 9,892.08, 14,896.80 and 8,609.04 is: 12,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.08 : 14,896.80 = 8,609.04 : x
  2. Step 2: Convert to fraction form
    9,892.08/14,896.80 = 8,609.04/x
  3. Step 3: Cross multiply
    9,892.08x = 14,896.80 × 8,609.04
  4. Step 4: Simplify right side
    9,892.08x = 128,247,147.07
  5. Step 5: Solve for x
    x = 128,247,147.07/9,892.08
  6. Step 6: Final answer
    x = 12,964.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.