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Finding the Fourth Proportional to 26,622, 36,740.84 and 15,293.07

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Solution

The fourth proportional to 26,622, 36,740.84 and 15,293.07 is: 21,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622 : 36,740.84 = 15,293.07 : x
  2. Step 2: Convert to fraction form
    26,622/36,740.84 = 15,293.07/x
  3. Step 3: Cross multiply
    26,622x = 36,740.84 × 15,293.07
  4. Step 4: Simplify right side
    26,622x = 561,880,161.51
  5. Step 5: Solve for x
    x = 561,880,161.51/26,622
  6. Step 6: Final answer
    x = 21,105.86

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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.