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Finding the Fourth Proportional to 26,476.96, 39,712.92 and 8,946.92

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Solution

The fourth proportional to 26,476.96, 39,712.92 and 8,946.92 is: 13,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.96 : 39,712.92 = 8,946.92 : x
  2. Step 2: Convert to fraction form
    26,476.96/39,712.92 = 8,946.92/x
  3. Step 3: Cross multiply
    26,476.96x = 39,712.92 × 8,946.92
  4. Step 4: Simplify right side
    26,476.96x = 355,308,318.21
  5. Step 5: Solve for x
    x = 355,308,318.21/26,476.96
  6. Step 6: Final answer
    x = 13,419.53

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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.