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Finding the Fourth Proportional to 17,653.40, 26,443.30 and 8,301.40

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Solution

The fourth proportional to 17,653.40, 26,443.30 and 8,301.40 is: 12,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.40 : 26,443.30 = 8,301.40 : x
  2. Step 2: Convert to fraction form
    17,653.40/26,443.30 = 8,301.40/x
  3. Step 3: Cross multiply
    17,653.40x = 26,443.30 × 8,301.40
  4. Step 4: Simplify right side
    17,653.40x = 219,516,410.62
  5. Step 5: Solve for x
    x = 219,516,410.62/17,653.40
  6. Step 6: Final answer
    x = 12,434.80

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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.