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Finding the Fourth Proportional to 18,087, 24,964.92 and 11,807.88

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Solution

The fourth proportional to 18,087, 24,964.92 and 11,807.88 is: 16,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087 : 24,964.92 = 11,807.88 : x
  2. Step 2: Convert to fraction form
    18,087/24,964.92 = 11,807.88/x
  3. Step 3: Cross multiply
    18,087x = 24,964.92 × 11,807.88
  4. Step 4: Simplify right side
    18,087x = 294,782,779.57
  5. Step 5: Solve for x
    x = 294,782,779.57/18,087
  6. Step 6: Final answer
    x = 16,298.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.