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Finding the Fourth Proportional to 11,897.73, 17,852.67 and 7,951.68

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Solution

The fourth proportional to 11,897.73, 17,852.67 and 7,951.68 is: 11,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.73 : 17,852.67 = 7,951.68 : x
  2. Step 2: Convert to fraction form
    11,897.73/17,852.67 = 7,951.68/x
  3. Step 3: Cross multiply
    11,897.73x = 17,852.67 × 7,951.68
  4. Step 4: Simplify right side
    11,897.73x = 141,958,718.99
  5. Step 5: Solve for x
    x = 141,958,718.99/11,897.73
  6. Step 6: Final answer
    x = 11,931.58

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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.