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Finding the Fourth Proportional to 19,227.94, 28,824.63 and 7,549.54

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Solution

The fourth proportional to 19,227.94, 28,824.63 and 7,549.54 is: 11,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.94 : 28,824.63 = 7,549.54 : x
  2. Step 2: Convert to fraction form
    19,227.94/28,824.63 = 7,549.54/x
  3. Step 3: Cross multiply
    19,227.94x = 28,824.63 × 7,549.54
  4. Step 4: Simplify right side
    19,227.94x = 217,612,697.17
  5. Step 5: Solve for x
    x = 217,612,697.17/19,227.94
  6. Step 6: Final answer
    x = 11,317.53

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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.