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Finding the Fourth Proportional to 20,599.56, 30,875.46 and 9,482.92

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Solution

The fourth proportional to 20,599.56, 30,875.46 and 9,482.92 is: 14,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.56 : 30,875.46 = 9,482.92 : x
  2. Step 2: Convert to fraction form
    20,599.56/30,875.46 = 9,482.92/x
  3. Step 3: Cross multiply
    20,599.56x = 30,875.46 × 9,482.92
  4. Step 4: Simplify right side
    20,599.56x = 292,789,517.14
  5. Step 5: Solve for x
    x = 292,789,517.14/20,599.56
  6. Step 6: Final answer
    x = 14,213.39

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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.