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Finding the Fourth Proportional to 11,930.88, 17,894.69 and 6,603.92

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Solution

The fourth proportional to 11,930.88, 17,894.69 and 6,603.92 is: 9,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.88 : 17,894.69 = 6,603.92 : x
  2. Step 2: Convert to fraction form
    11,930.88/17,894.69 = 6,603.92/x
  3. Step 3: Cross multiply
    11,930.88x = 17,894.69 × 6,603.92
  4. Step 4: Simplify right side
    11,930.88x = 118,175,011.71
  5. Step 5: Solve for x
    x = 118,175,011.71/11,930.88
  6. Step 6: Final answer
    x = 9,904.97

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1.5x scale

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.