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Finding the Fourth Proportional to 27,901.93, 41,817.31 and 13,078.19

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Solution

The fourth proportional to 27,901.93, 41,817.31 and 13,078.19 is: 19,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.93 : 41,817.31 = 13,078.19 : x
  2. Step 2: Convert to fraction form
    27,901.93/41,817.31 = 13,078.19/x
  3. Step 3: Cross multiply
    27,901.93x = 41,817.31 × 13,078.19
  4. Step 4: Simplify right side
    27,901.93x = 546,894,725.47
  5. Step 5: Solve for x
    x = 546,894,725.47/27,901.93
  6. Step 6: Final answer
    x = 19,600.61

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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.