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Finding the Fourth Proportional to 26,491.92, 39,741.57 and 8,957.04

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Solution

The fourth proportional to 26,491.92, 39,741.57 and 8,957.04 is: 13,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.92 : 39,741.57 = 8,957.04 : x
  2. Step 2: Convert to fraction form
    26,491.92/39,741.57 = 8,957.04/x
  3. Step 3: Cross multiply
    26,491.92x = 39,741.57 × 8,957.04
  4. Step 4: Simplify right side
    26,491.92x = 355,966,832.15
  5. Step 5: Solve for x
    x = 355,966,832.15/26,491.92
  6. Step 6: Final answer
    x = 13,436.81

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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.