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Finding the Fourth Proportional to 7,015.62, 10,521.62 and 2,084.10

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Solution

The fourth proportional to 7,015.62, 10,521.62 and 2,084.10 is: 3,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.62 : 10,521.62 = 2,084.10 : x
  2. Step 2: Convert to fraction form
    7,015.62/10,521.62 = 2,084.10/x
  3. Step 3: Cross multiply
    7,015.62x = 10,521.62 × 2,084.10
  4. Step 4: Simplify right side
    7,015.62x = 21,928,108.24
  5. Step 5: Solve for x
    x = 21,928,108.24/7,015.62
  6. Step 6: Final answer
    x = 3,125.61

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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.