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Finding the Fourth Proportional to 17,648.94, 26,474.04 and 8,879.07

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Solution

The fourth proportional to 17,648.94, 26,474.04 and 8,879.07 is: 13,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.94 : 26,474.04 = 8,879.07 : x
  2. Step 2: Convert to fraction form
    17,648.94/26,474.04 = 8,879.07/x
  3. Step 3: Cross multiply
    17,648.94x = 26,474.04 × 8,879.07
  4. Step 4: Simplify right side
    17,648.94x = 235,064,854.34
  5. Step 5: Solve for x
    x = 235,064,854.34/17,648.94
  6. Step 6: Final answer
    x = 13,318.92

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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.