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Finding the Fourth Proportional to 19,097.08, 28,604.10 and 11,679.10

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Solution

The fourth proportional to 19,097.08, 28,604.10 and 11,679.10 is: 17,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.08 : 28,604.10 = 11,679.10 : x
  2. Step 2: Convert to fraction form
    19,097.08/28,604.10 = 11,679.10/x
  3. Step 3: Cross multiply
    19,097.08x = 28,604.10 × 11,679.10
  4. Step 4: Simplify right side
    19,097.08x = 334,070,116.60
  5. Step 5: Solve for x
    x = 334,070,116.60/19,097.08
  6. Step 6: Final answer
    x = 17,493.26

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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.