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Finding the Fourth Proportional to 14,573.28, 21,858.64 and 7,552.96

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Solution

The fourth proportional to 14,573.28, 21,858.64 and 7,552.96 is: 11,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.28 : 21,858.64 = 7,552.96 : x
  2. Step 2: Convert to fraction form
    14,573.28/21,858.64 = 7,552.96/x
  3. Step 3: Cross multiply
    14,573.28x = 21,858.64 × 7,552.96
  4. Step 4: Simplify right side
    14,573.28x = 165,097,433.57
  5. Step 5: Solve for x
    x = 165,097,433.57/14,573.28
  6. Step 6: Final answer
    x = 11,328.78

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Similar ratio
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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.