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Finding the Fourth Proportional to 17,165.92, 25,750.72 and 5,476.40

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Solution

The fourth proportional to 17,165.92, 25,750.72 and 5,476.40 is: 8,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.92 : 25,750.72 = 5,476.40 : x
  2. Step 2: Convert to fraction form
    17,165.92/25,750.72 = 5,476.40/x
  3. Step 3: Cross multiply
    17,165.92x = 25,750.72 × 5,476.40
  4. Step 4: Simplify right side
    17,165.92x = 141,021,243.01
  5. Step 5: Solve for x
    x = 141,021,243.01/17,165.92
  6. Step 6: Final answer
    x = 8,215.19

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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.