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Finding the Fourth Proportional to 17,653.63, 26,484.90 and 8,291.92

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Solution

The fourth proportional to 17,653.63, 26,484.90 and 8,291.92 is: 12,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.63 : 26,484.90 = 8,291.92 : x
  2. Step 2: Convert to fraction form
    17,653.63/26,484.90 = 8,291.92/x
  3. Step 3: Cross multiply
    17,653.63x = 26,484.90 × 8,291.92
  4. Step 4: Simplify right side
    17,653.63x = 219,610,672.01
  5. Step 5: Solve for x
    x = 219,610,672.01/17,653.63
  6. Step 6: Final answer
    x = 12,439.97

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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.