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Finding the Fourth Proportional to 12,246.44, 16,900.29 and 6,941.15

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Solution

The fourth proportional to 12,246.44, 16,900.29 and 6,941.15 is: 9,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.44 : 16,900.29 = 6,941.15 : x
  2. Step 2: Convert to fraction form
    12,246.44/16,900.29 = 6,941.15/x
  3. Step 3: Cross multiply
    12,246.44x = 16,900.29 × 6,941.15
  4. Step 4: Simplify right side
    12,246.44x = 117,307,328.73
  5. Step 5: Solve for x
    x = 117,307,328.73/12,246.44
  6. Step 6: Final answer
    x = 9,578.89

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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.