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Finding the Fourth Proportional to 7,325.84, 10,987.36 and 3,573.86

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Solution

The fourth proportional to 7,325.84, 10,987.36 and 3,573.86 is: 5,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.84 : 10,987.36 = 3,573.86 : x
  2. Step 2: Convert to fraction form
    7,325.84/10,987.36 = 3,573.86/x
  3. Step 3: Cross multiply
    7,325.84x = 10,987.36 × 3,573.86
  4. Step 4: Simplify right side
    7,325.84x = 39,267,222.54
  5. Step 5: Solve for x
    x = 39,267,222.54/7,325.84
  6. Step 6: Final answer
    x = 5,360.10

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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.