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Finding the Fourth Proportional to 11,492.76, 17,240.74 and 4,095.02

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Solution

The fourth proportional to 11,492.76, 17,240.74 and 4,095.02 is: 6,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.76 : 17,240.74 = 4,095.02 : x
  2. Step 2: Convert to fraction form
    11,492.76/17,240.74 = 4,095.02/x
  3. Step 3: Cross multiply
    11,492.76x = 17,240.74 × 4,095.02
  4. Step 4: Simplify right side
    11,492.76x = 70,601,175.11
  5. Step 5: Solve for x
    x = 70,601,175.11/11,492.76
  6. Step 6: Final answer
    x = 6,143.10

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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.