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Finding the Fourth Proportional to 17,252.74, 25,879.06 and 5,407.42

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Solution

The fourth proportional to 17,252.74, 25,879.06 and 5,407.42 is: 8,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,252.74 : 25,879.06 = 5,407.42 : x
  2. Step 2: Convert to fraction form
    17,252.74/25,879.06 = 5,407.42/x
  3. Step 3: Cross multiply
    17,252.74x = 25,879.06 × 5,407.42
  4. Step 4: Simplify right side
    17,252.74x = 139,938,817.23
  5. Step 5: Solve for x
    x = 139,938,817.23/17,252.74
  6. Step 6: Final answer
    x = 8,111.11

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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.