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Finding the Fourth Proportional to 17,157.24, 25,740.02 and 5,470.45

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Solution

The fourth proportional to 17,157.24, 25,740.02 and 5,470.45 is: 8,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.24 : 25,740.02 = 5,470.45 : x
  2. Step 2: Convert to fraction form
    17,157.24/25,740.02 = 5,470.45/x
  3. Step 3: Cross multiply
    17,157.24x = 25,740.02 × 5,470.45
  4. Step 4: Simplify right side
    17,157.24x = 140,809,441.74
  5. Step 5: Solve for x
    x = 140,809,441.74/17,157.24
  6. Step 6: Final answer
    x = 8,207.00

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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.