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Finding the Fourth Proportional to 12,599.92, 18,863.38 and 9,493.00

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Solution

The fourth proportional to 12,599.92, 18,863.38 and 9,493.00 is: 14,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.92 : 18,863.38 = 9,493.00 : x
  2. Step 2: Convert to fraction form
    12,599.92/18,863.38 = 9,493.00/x
  3. Step 3: Cross multiply
    12,599.92x = 18,863.38 × 9,493.00
  4. Step 4: Simplify right side
    12,599.92x = 179,070,031.05
  5. Step 5: Solve for x
    x = 179,070,031.05/12,599.92
  6. Step 6: Final answer
    x = 14,212.00

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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.