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Finding the Fourth Proportional to 17,087.70, 25,631.55 and 7,223.70

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Solution

The fourth proportional to 17,087.70, 25,631.55 and 7,223.70 is: 10,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.70 : 25,631.55 = 7,223.70 : x
  2. Step 2: Convert to fraction form
    17,087.70/25,631.55 = 7,223.70/x
  3. Step 3: Cross multiply
    17,087.70x = 25,631.55 × 7,223.70
  4. Step 4: Simplify right side
    17,087.70x = 185,154,627.74
  5. Step 5: Solve for x
    x = 185,154,627.74/17,087.70
  6. Step 6: Final answer
    x = 10,835.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.