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Finding the Fourth Proportional to 13,262.52, 19,899.18 and 8,523.99

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Solution

The fourth proportional to 13,262.52, 19,899.18 and 8,523.99 is: 12,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.52 : 19,899.18 = 8,523.99 : x
  2. Step 2: Convert to fraction form
    13,262.52/19,899.18 = 8,523.99/x
  3. Step 3: Cross multiply
    13,262.52x = 19,899.18 × 8,523.99
  4. Step 4: Simplify right side
    13,262.52x = 169,620,411.33
  5. Step 5: Solve for x
    x = 169,620,411.33/13,262.52
  6. Step 6: Final answer
    x = 12,789.46

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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.