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Finding the Fourth Proportional to 27,612.13, 41,424.81 and 8,893.90

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Solution

The fourth proportional to 27,612.13, 41,424.81 and 8,893.90 is: 13,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.13 : 41,424.81 = 8,893.90 : x
  2. Step 2: Convert to fraction form
    27,612.13/41,424.81 = 8,893.90/x
  3. Step 3: Cross multiply
    27,612.13x = 41,424.81 × 8,893.90
  4. Step 4: Simplify right side
    27,612.13x = 368,428,117.66
  5. Step 5: Solve for x
    x = 368,428,117.66/27,612.13
  6. Step 6: Final answer
    x = 13,342.98

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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.