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Finding the Fourth Proportional to 27,665.43, 41,498.07 and 6,888.93

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Solution

The fourth proportional to 27,665.43, 41,498.07 and 6,888.93 is: 10,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.43 : 41,498.07 = 6,888.93 : x
  2. Step 2: Convert to fraction form
    27,665.43/41,498.07 = 6,888.93/x
  3. Step 3: Cross multiply
    27,665.43x = 41,498.07 × 6,888.93
  4. Step 4: Simplify right side
    27,665.43x = 285,877,299.37
  5. Step 5: Solve for x
    x = 285,877,299.37/27,665.43
  6. Step 6: Final answer
    x = 10,333.38

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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.