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Finding the Fourth Proportional to 23,671.49, 35,529.12 and 11,992.91

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Solution

The fourth proportional to 23,671.49, 35,529.12 and 11,992.91 is: 18,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,671.49 : 35,529.12 = 11,992.91 : x
  2. Step 2: Convert to fraction form
    23,671.49/35,529.12 = 11,992.91/x
  3. Step 3: Cross multiply
    23,671.49x = 35,529.12 × 11,992.91
  4. Step 4: Simplify right side
    23,671.49x = 426,097,360.89
  5. Step 5: Solve for x
    x = 426,097,360.89/23,671.49
  6. Step 6: Final answer
    x = 18,000.45

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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.