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Finding the Fourth Proportional to 27,354.60, 41,007.60 and 9,819.72

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Solution

The fourth proportional to 27,354.60, 41,007.60 and 9,819.72 is: 14,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.60 : 41,007.60 = 9,819.72 : x
  2. Step 2: Convert to fraction form
    27,354.60/41,007.60 = 9,819.72/x
  3. Step 3: Cross multiply
    27,354.60x = 41,007.60 × 9,819.72
  4. Step 4: Simplify right side
    27,354.60x = 402,683,149.87
  5. Step 5: Solve for x
    x = 402,683,149.87/27,354.60
  6. Step 6: Final answer
    x = 14,720.86

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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.