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Finding the Fourth Proportional to 9,992.97, 14,975.69 and 3,746.66

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Solution

The fourth proportional to 9,992.97, 14,975.69 and 3,746.66 is: 5,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.97 : 14,975.69 = 3,746.66 : x
  2. Step 2: Convert to fraction form
    9,992.97/14,975.69 = 3,746.66/x
  3. Step 3: Cross multiply
    9,992.97x = 14,975.69 × 3,746.66
  4. Step 4: Simplify right side
    9,992.97x = 56,108,725.08
  5. Step 5: Solve for x
    x = 56,108,725.08/9,992.97
  6. Step 6: Final answer
    x = 5,614.82

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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.