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Finding the Fourth Proportional to 12,065.74, 16,645.08 and 8,034.60

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Solution

The fourth proportional to 12,065.74, 16,645.08 and 8,034.60 is: 11,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.74 : 16,645.08 = 8,034.60 : x
  2. Step 2: Convert to fraction form
    12,065.74/16,645.08 = 8,034.60/x
  3. Step 3: Cross multiply
    12,065.74x = 16,645.08 × 8,034.60
  4. Step 4: Simplify right side
    12,065.74x = 133,736,559.77
  5. Step 5: Solve for x
    x = 133,736,559.77/12,065.74
  6. Step 6: Final answer
    x = 11,083.99

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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.