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Finding the Fourth Proportional to 30,586.68, 45,884.58 and 10,863.58

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Solution

The fourth proportional to 30,586.68, 45,884.58 and 10,863.58 is: 16,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.68 : 45,884.58 = 10,863.58 : x
  2. Step 2: Convert to fraction form
    30,586.68/45,884.58 = 10,863.58/x
  3. Step 3: Cross multiply
    30,586.68x = 45,884.58 × 10,863.58
  4. Step 4: Simplify right side
    30,586.68x = 498,470,805.60
  5. Step 5: Solve for x
    x = 498,470,805.60/30,586.68
  6. Step 6: Final answer
    x = 16,296.99

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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.