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Finding the Fourth Proportional to 12,656.96, 17,467.08 and 7,069.04

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Solution

The fourth proportional to 12,656.96, 17,467.08 and 7,069.04 is: 9,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.96 : 17,467.08 = 7,069.04 : x
  2. Step 2: Convert to fraction form
    12,656.96/17,467.08 = 7,069.04/x
  3. Step 3: Cross multiply
    12,656.96x = 17,467.08 × 7,069.04
  4. Step 4: Simplify right side
    12,656.96x = 123,475,487.20
  5. Step 5: Solve for x
    x = 123,475,487.20/12,656.96
  6. Step 6: Final answer
    x = 9,755.54

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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.