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Finding the Fourth Proportional to 22,060.99, 30,428.76 and 14,504.90

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Solution

The fourth proportional to 22,060.99, 30,428.76 and 14,504.90 is: 20,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.99 : 30,428.76 = 14,504.90 : x
  2. Step 2: Convert to fraction form
    22,060.99/30,428.76 = 14,504.90/x
  3. Step 3: Cross multiply
    22,060.99x = 30,428.76 × 14,504.90
  4. Step 4: Simplify right side
    22,060.99x = 441,366,120.92
  5. Step 5: Solve for x
    x = 441,366,120.92/22,060.99
  6. Step 6: Final answer
    x = 20,006.63

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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.