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Finding the Fourth Proportional to 26,541, 36,666.81 and 19,814.94

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Solution

The fourth proportional to 26,541, 36,666.81 and 19,814.94 is: 27,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541 : 36,666.81 = 19,814.94 : x
  2. Step 2: Convert to fraction form
    26,541/36,666.81 = 19,814.94/x
  3. Step 3: Cross multiply
    26,541x = 36,666.81 × 19,814.94
  4. Step 4: Simplify right side
    26,541x = 726,550,640.14
  5. Step 5: Solve for x
    x = 726,550,640.14/26,541
  6. Step 6: Final answer
    x = 27,374.65

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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.