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Finding the Fourth Proportional to 17,287.56, 25,914.48 and 9,382.92

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Solution

The fourth proportional to 17,287.56, 25,914.48 and 9,382.92 is: 14,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.56 : 25,914.48 = 9,382.92 : x
  2. Step 2: Convert to fraction form
    17,287.56/25,914.48 = 9,382.92/x
  3. Step 3: Cross multiply
    17,287.56x = 25,914.48 × 9,382.92
  4. Step 4: Simplify right side
    17,287.56x = 243,153,492.68
  5. Step 5: Solve for x
    x = 243,153,492.68/17,287.56
  6. Step 6: Final answer
    x = 14,065.23

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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.