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Finding the Fourth Proportional to 27,329.60, 41,013.60 and 11,758.40

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Solution

The fourth proportional to 27,329.60, 41,013.60 and 11,758.40 is: 17,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.60 : 41,013.60 = 11,758.40 : x
  2. Step 2: Convert to fraction form
    27,329.60/41,013.60 = 11,758.40/x
  3. Step 3: Cross multiply
    27,329.60x = 41,013.60 × 11,758.40
  4. Step 4: Simplify right side
    27,329.60x = 482,254,314.24
  5. Step 5: Solve for x
    x = 482,254,314.24/27,329.60
  6. Step 6: Final answer
    x = 17,645.86

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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.