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Finding the Fourth Proportional to 25,857.58, 35,699.79 and 17,896.90

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Solution

The fourth proportional to 25,857.58, 35,699.79 and 17,896.90 is: 24,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.58 : 35,699.79 = 17,896.90 : x
  2. Step 2: Convert to fraction form
    25,857.58/35,699.79 = 17,896.90/x
  3. Step 3: Cross multiply
    25,857.58x = 35,699.79 × 17,896.90
  4. Step 4: Simplify right side
    25,857.58x = 638,915,571.65
  5. Step 5: Solve for x
    x = 638,915,571.65/25,857.58
  6. Step 6: Final answer
    x = 24,709.02

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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.