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Finding the Fourth Proportional to 7,492.76, 11,237.88 and 2,747.94

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Solution

The fourth proportional to 7,492.76, 11,237.88 and 2,747.94 is: 4,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.76 : 11,237.88 = 2,747.94 : x
  2. Step 2: Convert to fraction form
    7,492.76/11,237.88 = 2,747.94/x
  3. Step 3: Cross multiply
    7,492.76x = 11,237.88 × 2,747.94
  4. Step 4: Simplify right side
    7,492.76x = 30,881,019.97
  5. Step 5: Solve for x
    x = 30,881,019.97/7,492.76
  6. Step 6: Final answer
    x = 4,121.45

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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.