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Finding the Fourth Proportional to 18,583.68, 27,886.92 and 8,051.64

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Solution

The fourth proportional to 18,583.68, 27,886.92 and 8,051.64 is: 12,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.68 : 27,886.92 = 8,051.64 : x
  2. Step 2: Convert to fraction form
    18,583.68/27,886.92 = 8,051.64/x
  3. Step 3: Cross multiply
    18,583.68x = 27,886.92 × 8,051.64
  4. Step 4: Simplify right side
    18,583.68x = 224,535,440.55
  5. Step 5: Solve for x
    x = 224,535,440.55/18,583.68
  6. Step 6: Final answer
    x = 12,082.40

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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.