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Finding the Fourth Proportional to 12,454.03, 17,186.21 and 6,788.88

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Solution

The fourth proportional to 12,454.03, 17,186.21 and 6,788.88 is: 9,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.03 : 17,186.21 = 6,788.88 : x
  2. Step 2: Convert to fraction form
    12,454.03/17,186.21 = 6,788.88/x
  3. Step 3: Cross multiply
    12,454.03x = 17,186.21 × 6,788.88
  4. Step 4: Simplify right side
    12,454.03x = 116,675,194.52
  5. Step 5: Solve for x
    x = 116,675,194.52/12,454.03
  6. Step 6: Final answer
    x = 9,368.47

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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.