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Finding the Fourth Proportional to 8,992.29, 13,494.51 and 3,148.95

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Solution

The fourth proportional to 8,992.29, 13,494.51 and 3,148.95 is: 4,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.29 : 13,494.51 = 3,148.95 : x
  2. Step 2: Convert to fraction form
    8,992.29/13,494.51 = 3,148.95/x
  3. Step 3: Cross multiply
    8,992.29x = 13,494.51 × 3,148.95
  4. Step 4: Simplify right side
    8,992.29x = 42,493,537.26
  5. Step 5: Solve for x
    x = 42,493,537.26/8,992.29
  6. Step 6: Final answer
    x = 4,725.55

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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.