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Finding the Fourth Proportional to 38,674, 53,279.04 and 36,348.94

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Solution

The fourth proportional to 38,674, 53,279.04 and 36,348.94 is: 50,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674 : 53,279.04 = 36,348.94 : x
  2. Step 2: Convert to fraction form
    38,674/53,279.04 = 36,348.94/x
  3. Step 3: Cross multiply
    38,674x = 53,279.04 × 36,348.94
  4. Step 4: Simplify right side
    38,674x = 1,936,636,628.22
  5. Step 5: Solve for x
    x = 1,936,636,628.22/38,674
  6. Step 6: Final answer
    x = 50,075.93

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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.