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Finding the Fourth Proportional to 17,263.92, 25,895.12 and 7,898.56

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Solution

The fourth proportional to 17,263.92, 25,895.12 and 7,898.56 is: 11,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.92 : 25,895.12 = 7,898.56 : x
  2. Step 2: Convert to fraction form
    17,263.92/25,895.12 = 7,898.56/x
  3. Step 3: Cross multiply
    17,263.92x = 25,895.12 × 7,898.56
  4. Step 4: Simplify right side
    17,263.92x = 204,534,159.03
  5. Step 5: Solve for x
    x = 204,534,159.03/17,263.92
  6. Step 6: Final answer
    x = 11,847.49

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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.