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Finding the Fourth Proportional to 18,597.64, 27,866.67 and 16,709.28

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Solution

The fourth proportional to 18,597.64, 27,866.67 and 16,709.28 is: 25,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.64 : 27,866.67 = 16,709.28 : x
  2. Step 2: Convert to fraction form
    18,597.64/27,866.67 = 16,709.28/x
  3. Step 3: Cross multiply
    18,597.64x = 27,866.67 × 16,709.28
  4. Step 4: Simplify right side
    18,597.64x = 465,631,768.82
  5. Step 5: Solve for x
    x = 465,631,768.82/18,597.64
  6. Step 6: Final answer
    x = 25,037.14

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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.