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Finding the Fourth Proportional to 12,494.29, 17,256.29 and 8,508.48

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Solution

The fourth proportional to 12,494.29, 17,256.29 and 8,508.48 is: 11,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.29 : 17,256.29 = 8,508.48 : x
  2. Step 2: Convert to fraction form
    12,494.29/17,256.29 = 8,508.48/x
  3. Step 3: Cross multiply
    12,494.29x = 17,256.29 × 8,508.48
  4. Step 4: Simplify right side
    12,494.29x = 146,824,798.34
  5. Step 5: Solve for x
    x = 146,824,798.34/12,494.29
  6. Step 6: Final answer
    x = 11,751.35

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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.