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Finding the Fourth Proportional to 27,405.44, 37,819.44 and 14,830.40

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Solution

The fourth proportional to 27,405.44, 37,819.44 and 14,830.40 is: 20,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.44 : 37,819.44 = 14,830.40 : x
  2. Step 2: Convert to fraction form
    27,405.44/37,819.44 = 14,830.40/x
  3. Step 3: Cross multiply
    27,405.44x = 37,819.44 × 14,830.40
  4. Step 4: Simplify right side
    27,405.44x = 560,877,422.98
  5. Step 5: Solve for x
    x = 560,877,422.98/27,405.44
  6. Step 6: Final answer
    x = 20,465.92

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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.