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Finding the Fourth Proportional to 12,627.68, 18,942.08 and 4,835.92

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Solution

The fourth proportional to 12,627.68, 18,942.08 and 4,835.92 is: 7,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.68 : 18,942.08 = 4,835.92 : x
  2. Step 2: Convert to fraction form
    12,627.68/18,942.08 = 4,835.92/x
  3. Step 3: Cross multiply
    12,627.68x = 18,942.08 × 4,835.92
  4. Step 4: Simplify right side
    12,627.68x = 91,602,383.51
  5. Step 5: Solve for x
    x = 91,602,383.51/12,627.68
  6. Step 6: Final answer
    x = 7,254.09

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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.