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Finding the Fourth Proportional to 8,992.04, 13,494.14 and 3,148.70

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Solution

The fourth proportional to 8,992.04, 13,494.14 and 3,148.70 is: 4,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.04 : 13,494.14 = 3,148.70 : x
  2. Step 2: Convert to fraction form
    8,992.04/13,494.14 = 3,148.70/x
  3. Step 3: Cross multiply
    8,992.04x = 13,494.14 × 3,148.70
  4. Step 4: Simplify right side
    8,992.04x = 42,488,915.40
  5. Step 5: Solve for x
    x = 42,488,915.40/8,992.04
  6. Step 6: Final answer
    x = 4,725.17

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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.