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Finding the Fourth Proportional to 14,855.63, 22,255.63 and 7,451.42

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Solution

The fourth proportional to 14,855.63, 22,255.63 and 7,451.42 is: 11,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.63 : 22,255.63 = 7,451.42 : x
  2. Step 2: Convert to fraction form
    14,855.63/22,255.63 = 7,451.42/x
  3. Step 3: Cross multiply
    14,855.63x = 22,255.63 × 7,451.42
  4. Step 4: Simplify right side
    14,855.63x = 165,835,916.59
  5. Step 5: Solve for x
    x = 165,835,916.59/14,855.63
  6. Step 6: Final answer
    x = 11,163.17

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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.