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Finding the Fourth Proportional to 17,855.55, 24,640.01 and 10,302.20

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Solution

The fourth proportional to 17,855.55, 24,640.01 and 10,302.20 is: 14,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.55 : 24,640.01 = 10,302.20 : x
  2. Step 2: Convert to fraction form
    17,855.55/24,640.01 = 10,302.20/x
  3. Step 3: Cross multiply
    17,855.55x = 24,640.01 × 10,302.20
  4. Step 4: Simplify right side
    17,855.55x = 253,846,136.31
  5. Step 5: Solve for x
    x = 253,846,136.31/17,855.55
  6. Step 6: Final answer
    x = 14,216.65

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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.