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Finding the Fourth Proportional to 27,805.42, 41,708.13 and 7,028.92

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Solution

The fourth proportional to 27,805.42, 41,708.13 and 7,028.92 is: 10,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.42 : 41,708.13 = 7,028.92 : x
  2. Step 2: Convert to fraction form
    27,805.42/41,708.13 = 7,028.92/x
  3. Step 3: Cross multiply
    27,805.42x = 41,708.13 × 7,028.92
  4. Step 4: Simplify right side
    27,805.42x = 293,163,109.12
  5. Step 5: Solve for x
    x = 293,163,109.12/27,805.42
  6. Step 6: Final answer
    x = 10,543.38

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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.