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Finding the Fourth Proportional to 16,889.38, 25,334.06 and 4,577.38

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Solution

The fourth proportional to 16,889.38, 25,334.06 and 4,577.38 is: 6,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.38 : 25,334.06 = 4,577.38 : x
  2. Step 2: Convert to fraction form
    16,889.38/25,334.06 = 4,577.38/x
  3. Step 3: Cross multiply
    16,889.38x = 25,334.06 × 4,577.38
  4. Step 4: Simplify right side
    16,889.38x = 115,963,619.56
  5. Step 5: Solve for x
    x = 115,963,619.56/16,889.38
  6. Step 6: Final answer
    x = 6,866.07

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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.