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Finding the Fourth Proportional to 12,555.08, 17,325.96 and 6,966.08

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Solution

The fourth proportional to 12,555.08, 17,325.96 and 6,966.08 is: 9,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.08 : 17,325.96 = 6,966.08 : x
  2. Step 2: Convert to fraction form
    12,555.08/17,325.96 = 6,966.08/x
  3. Step 3: Cross multiply
    12,555.08x = 17,325.96 × 6,966.08
  4. Step 4: Simplify right side
    12,555.08x = 120,694,023.44
  5. Step 5: Solve for x
    x = 120,694,023.44/12,555.08
  6. Step 6: Final answer
    x = 9,613.16

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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.