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Finding the Fourth Proportional to 27,836.37, 38,380.37 and 19,345.68

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Solution

The fourth proportional to 27,836.37, 38,380.37 and 19,345.68 is: 26,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.37 : 38,380.37 = 19,345.68 : x
  2. Step 2: Convert to fraction form
    27,836.37/38,380.37 = 19,345.68/x
  3. Step 3: Cross multiply
    27,836.37x = 38,380.37 × 19,345.68
  4. Step 4: Simplify right side
    27,836.37x = 742,494,259.57
  5. Step 5: Solve for x
    x = 742,494,259.57/27,836.37
  6. Step 6: Final answer
    x = 26,673.53

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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.