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Finding the Fourth Proportional to 11,949.03, 17,925.93 and 6,691.51

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Solution

The fourth proportional to 11,949.03, 17,925.93 and 6,691.51 is: 10,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.03 : 17,925.93 = 6,691.51 : x
  2. Step 2: Convert to fraction form
    11,949.03/17,925.93 = 6,691.51/x
  3. Step 3: Cross multiply
    11,949.03x = 17,925.93 × 6,691.51
  4. Step 4: Simplify right side
    11,949.03x = 119,951,573.47
  5. Step 5: Solve for x
    x = 119,951,573.47/11,949.03
  6. Step 6: Final answer
    x = 10,038.61

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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.