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Finding the Fourth Proportional to 14,529.55, 21,806 and 7,511.62

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Solution

The fourth proportional to 14,529.55, 21,806 and 7,511.62 is: 11,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.55 : 21,806 = 7,511.62 : x
  2. Step 2: Convert to fraction form
    14,529.55/21,806 = 7,511.62/x
  3. Step 3: Cross multiply
    14,529.55x = 21,806 × 7,511.62
  4. Step 4: Simplify right side
    14,529.55x = 163,798,385.72
  5. Step 5: Solve for x
    x = 163,798,385.72/14,529.55
  6. Step 6: Final answer
    x = 11,273.47

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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.