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Finding the Fourth Proportional to 18,596.95, 27,867.74 and 10,279.36

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Solution

The fourth proportional to 18,596.95, 27,867.74 and 10,279.36 is: 15,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.95 : 27,867.74 = 10,279.36 : x
  2. Step 2: Convert to fraction form
    18,596.95/27,867.74 = 10,279.36/x
  3. Step 3: Cross multiply
    18,596.95x = 27,867.74 × 10,279.36
  4. Step 4: Simplify right side
    18,596.95x = 286,462,480.45
  5. Step 5: Solve for x
    x = 286,462,480.45/18,596.95
  6. Step 6: Final answer
    x = 15,403.73

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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.