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Finding the Fourth Proportional to 27,995.58, 41,978.79 and 10,450.98

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Solution

The fourth proportional to 27,995.58, 41,978.79 and 10,450.98 is: 15,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.58 : 41,978.79 = 10,450.98 : x
  2. Step 2: Convert to fraction form
    27,995.58/41,978.79 = 10,450.98/x
  3. Step 3: Cross multiply
    27,995.58x = 41,978.79 × 10,450.98
  4. Step 4: Simplify right side
    27,995.58x = 438,719,494.71
  5. Step 5: Solve for x
    x = 438,719,494.71/27,995.58
  6. Step 6: Final answer
    x = 15,671.03

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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.