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Finding the Fourth Proportional to 18,553.70, 27,834.01 and 7,461.24

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Solution

The fourth proportional to 18,553.70, 27,834.01 and 7,461.24 is: 11,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.70 : 27,834.01 = 7,461.24 : x
  2. Step 2: Convert to fraction form
    18,553.70/27,834.01 = 7,461.24/x
  3. Step 3: Cross multiply
    18,553.70x = 27,834.01 × 7,461.24
  4. Step 4: Simplify right side
    18,553.70x = 207,676,228.77
  5. Step 5: Solve for x
    x = 207,676,228.77/18,553.70
  6. Step 6: Final answer
    x = 11,193.25

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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.