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Finding the Fourth Proportional to 12,633.44, 17,434.02 and 7,256.76

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Solution

The fourth proportional to 12,633.44, 17,434.02 and 7,256.76 is: 10,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.44 : 17,434.02 = 7,256.76 : x
  2. Step 2: Convert to fraction form
    12,633.44/17,434.02 = 7,256.76/x
  3. Step 3: Cross multiply
    12,633.44x = 17,434.02 × 7,256.76
  4. Step 4: Simplify right side
    12,633.44x = 126,514,498.98
  5. Step 5: Solve for x
    x = 126,514,498.98/12,633.44
  6. Step 6: Final answer
    x = 10,014.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.