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Finding the Fourth Proportional to 18,597.14, 27,865.92 and 16,708.78

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Solution

The fourth proportional to 18,597.14, 27,865.92 and 16,708.78 is: 25,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.14 : 27,865.92 = 16,708.78 : x
  2. Step 2: Convert to fraction form
    18,597.14/27,865.92 = 16,708.78/x
  3. Step 3: Cross multiply
    18,597.14x = 27,865.92 × 16,708.78
  4. Step 4: Simplify right side
    18,597.14x = 465,605,303.90
  5. Step 5: Solve for x
    x = 465,605,303.90/18,597.14
  6. Step 6: Final answer
    x = 25,036.39

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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.