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Finding the Fourth Proportional to 17,424.51, 26,111.24 and 8,641.88

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Solution

The fourth proportional to 17,424.51, 26,111.24 and 8,641.88 is: 12,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,424.51 : 26,111.24 = 8,641.88 : x
  2. Step 2: Convert to fraction form
    17,424.51/26,111.24 = 8,641.88/x
  3. Step 3: Cross multiply
    17,424.51x = 26,111.24 × 8,641.88
  4. Step 4: Simplify right side
    17,424.51x = 225,650,202.73
  5. Step 5: Solve for x
    x = 225,650,202.73/17,424.51
  6. Step 6: Final answer
    x = 12,950.16

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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.