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Finding the Fourth Proportional to 26,797.70, 36,972.30 and 15,465.69

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Solution

The fourth proportional to 26,797.70, 36,972.30 and 15,465.69 is: 21,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.70 : 36,972.30 = 15,465.69 : x
  2. Step 2: Convert to fraction form
    26,797.70/36,972.30 = 15,465.69/x
  3. Step 3: Cross multiply
    26,797.70x = 36,972.30 × 15,465.69
  4. Step 4: Simplify right side
    26,797.70x = 571,802,130.39
  5. Step 5: Solve for x
    x = 571,802,130.39/26,797.70
  6. Step 6: Final answer
    x = 21,337.74

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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.