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Finding the Fourth Proportional to 27,718.61, 41,583.38 and 8,995.15

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Solution

The fourth proportional to 27,718.61, 41,583.38 and 8,995.15 is: 13,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.61 : 41,583.38 = 8,995.15 : x
  2. Step 2: Convert to fraction form
    27,718.61/41,583.38 = 8,995.15/x
  3. Step 3: Cross multiply
    27,718.61x = 41,583.38 × 8,995.15
  4. Step 4: Simplify right side
    27,718.61x = 374,048,747.61
  5. Step 5: Solve for x
    x = 374,048,747.61/27,718.61
  6. Step 6: Final answer
    x = 13,494.50

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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.