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Finding the Fourth Proportional to 18,583.64, 27,866.92 and 8,048.76

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Solution

The fourth proportional to 18,583.64, 27,866.92 and 8,048.76 is: 12,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.64 : 27,866.92 = 8,048.76 : x
  2. Step 2: Convert to fraction form
    18,583.64/27,866.92 = 8,048.76/x
  3. Step 3: Cross multiply
    18,583.64x = 27,866.92 × 8,048.76
  4. Step 4: Simplify right side
    18,583.64x = 224,294,151.02
  5. Step 5: Solve for x
    x = 224,294,151.02/18,583.64
  6. Step 6: Final answer
    x = 12,069.44

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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.