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Finding the Fourth Proportional to 27,443.14, 41,164.74 and 6,666.64

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Solution

The fourth proportional to 27,443.14, 41,164.74 and 6,666.64 is: 9,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.14 : 41,164.74 = 6,666.64 : x
  2. Step 2: Convert to fraction form
    27,443.14/41,164.74 = 6,666.64/x
  3. Step 3: Cross multiply
    27,443.14x = 41,164.74 × 6,666.64
  4. Step 4: Simplify right side
    27,443.14x = 274,430,502.27
  5. Step 5: Solve for x
    x = 274,430,502.27/27,443.14
  6. Step 6: Final answer
    x = 9,999.97

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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.