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Finding the Fourth Proportional to 26,797.43, 36,971.89 and 15,465.43

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Solution

The fourth proportional to 26,797.43, 36,971.89 and 15,465.43 is: 21,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.43 : 36,971.89 = 15,465.43 : x
  2. Step 2: Convert to fraction form
    26,797.43/36,971.89 = 15,465.43/x
  3. Step 3: Cross multiply
    26,797.43x = 36,971.89 × 15,465.43
  4. Step 4: Simplify right side
    26,797.43x = 571,786,271.31
  5. Step 5: Solve for x
    x = 571,786,271.31/26,797.43
  6. Step 6: Final answer
    x = 21,337.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.