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Finding the Fourth Proportional to 12,551.96, 18,798.25 and 10,899.52

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Solution

The fourth proportional to 12,551.96, 18,798.25 and 10,899.52 is: 16,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.96 : 18,798.25 = 10,899.52 : x
  2. Step 2: Convert to fraction form
    12,551.96/18,798.25 = 10,899.52/x
  3. Step 3: Cross multiply
    12,551.96x = 18,798.25 × 10,899.52
  4. Step 4: Simplify right side
    12,551.96x = 204,891,847.34
  5. Step 5: Solve for x
    x = 204,891,847.34/12,551.96
  6. Step 6: Final answer
    x = 16,323.50

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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.