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Finding the Fourth Proportional to 17,629.29, 26,439.77 and 8,275.77

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Solution

The fourth proportional to 17,629.29, 26,439.77 and 8,275.77 is: 12,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.29 : 26,439.77 = 8,275.77 : x
  2. Step 2: Convert to fraction form
    17,629.29/26,439.77 = 8,275.77/x
  3. Step 3: Cross multiply
    17,629.29x = 26,439.77 × 8,275.77
  4. Step 4: Simplify right side
    17,629.29x = 218,809,476.06
  5. Step 5: Solve for x
    x = 218,809,476.06/17,629.29
  6. Step 6: Final answer
    x = 12,411.70

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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.