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Finding the Fourth Proportional to 12,950.27, 17,854.17 and 8,466.32

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Solution

The fourth proportional to 12,950.27, 17,854.17 and 8,466.32 is: 11,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.27 : 17,854.17 = 8,466.32 : x
  2. Step 2: Convert to fraction form
    12,950.27/17,854.17 = 8,466.32/x
  3. Step 3: Cross multiply
    12,950.27x = 17,854.17 × 8,466.32
  4. Step 4: Simplify right side
    12,950.27x = 151,159,027.28
  5. Step 5: Solve for x
    x = 151,159,027.28/12,950.27
  6. Step 6: Final answer
    x = 11,672.27

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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.