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Finding the Fourth Proportional to 14,571, 20,104.74 and 8,602.92

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Solution

The fourth proportional to 14,571, 20,104.74 and 8,602.92 is: 11,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571 : 20,104.74 = 8,602.92 : x
  2. Step 2: Convert to fraction form
    14,571/20,104.74 = 8,602.92/x
  3. Step 3: Cross multiply
    14,571x = 20,104.74 × 8,602.92
  4. Step 4: Simplify right side
    14,571x = 172,959,469.84
  5. Step 5: Solve for x
    x = 172,959,469.84/14,571
  6. Step 6: Final answer
    x = 11,870.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.