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Finding the Fourth Proportional to 27,393.99, 37,803.69 and 14,818.74

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Solution

The fourth proportional to 27,393.99, 37,803.69 and 14,818.74 is: 20,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.99 : 37,803.69 = 14,818.74 : x
  2. Step 2: Convert to fraction form
    27,393.99/37,803.69 = 14,818.74/x
  3. Step 3: Cross multiply
    27,393.99x = 37,803.69 × 14,818.74
  4. Step 4: Simplify right side
    27,393.99x = 560,203,053.15
  5. Step 5: Solve for x
    x = 560,203,053.15/27,393.99
  6. Step 6: Final answer
    x = 20,449.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.