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Finding the Fourth Proportional to 20,592.56, 30,888.78 and 7,444.94

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Solution

The fourth proportional to 20,592.56, 30,888.78 and 7,444.94 is: 11,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.56 : 30,888.78 = 7,444.94 : x
  2. Step 2: Convert to fraction form
    20,592.56/30,888.78 = 7,444.94/x
  3. Step 3: Cross multiply
    20,592.56x = 30,888.78 × 7,444.94
  4. Step 4: Simplify right side
    20,592.56x = 229,965,113.77
  5. Step 5: Solve for x
    x = 229,965,113.77/20,592.56
  6. Step 6: Final answer
    x = 11,167.39

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Double scale
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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.