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Finding the Fourth Proportional to 17,256.83, 25,866.79 and 8,928.46

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Solution

The fourth proportional to 17,256.83, 25,866.79 and 8,928.46 is: 13,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.83 : 25,866.79 = 8,928.46 : x
  2. Step 2: Convert to fraction form
    17,256.83/25,866.79 = 8,928.46/x
  3. Step 3: Cross multiply
    17,256.83x = 25,866.79 × 8,928.46
  4. Step 4: Simplify right side
    17,256.83x = 230,950,599.84
  5. Step 5: Solve for x
    x = 230,950,599.84/17,256.83
  6. Step 6: Final answer
    x = 13,383.14

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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.