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Finding the Fourth Proportional to 17,132.50, 25,698.75 and 4,820.50

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Solution

The fourth proportional to 17,132.50, 25,698.75 and 4,820.50 is: 7,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.50 : 25,698.75 = 4,820.50 : x
  2. Step 2: Convert to fraction form
    17,132.50/25,698.75 = 4,820.50/x
  3. Step 3: Cross multiply
    17,132.50x = 25,698.75 × 4,820.50
  4. Step 4: Simplify right side
    17,132.50x = 123,880,824.38
  5. Step 5: Solve for x
    x = 123,880,824.38/17,132.50
  6. Step 6: Final answer
    x = 7,230.75

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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.