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Finding the Fourth Proportional to 16,855.74, 23,260.74 and 9,302.12

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Solution

The fourth proportional to 16,855.74, 23,260.74 and 9,302.12 is: 12,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.74 : 23,260.74 = 9,302.12 : x
  2. Step 2: Convert to fraction form
    16,855.74/23,260.74 = 9,302.12/x
  3. Step 3: Cross multiply
    16,855.74x = 23,260.74 × 9,302.12
  4. Step 4: Simplify right side
    16,855.74x = 216,374,194.77
  5. Step 5: Solve for x
    x = 216,374,194.77/16,855.74
  6. Step 6: Final answer
    x = 12,836.83

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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.