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Finding the Fourth Proportional to 36,689.99, 55,034.98 and 15,908.63

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Solution

The fourth proportional to 36,689.99, 55,034.98 and 15,908.63 is: 23,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.99 : 55,034.98 = 15,908.63 : x
  2. Step 2: Convert to fraction form
    36,689.99/55,034.98 = 15,908.63/x
  3. Step 3: Cross multiply
    36,689.99x = 55,034.98 × 15,908.63
  4. Step 4: Simplify right side
    36,689.99x = 875,530,818.93
  5. Step 5: Solve for x
    x = 875,530,818.93/36,689.99
  6. Step 6: Final answer
    x = 23,862.94

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Similar ratio
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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.