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Finding the Fourth Proportional to 63,361.74, 87,429.46 and 36,499

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Solution

The fourth proportional to 63,361.74, 87,429.46 and 36,499 is: 50,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361.74 : 87,429.46 = 36,499 : x
  2. Step 2: Convert to fraction form
    63,361.74/87,429.46 = 36,499/x
  3. Step 3: Cross multiply
    63,361.74x = 87,429.46 × 36,499
  4. Step 4: Simplify right side
    63,361.74x = 3,191,087,678.05
  5. Step 5: Solve for x
    x = 3,191,087,678.05/63,361.74
  6. Step 6: Final answer
    x = 50,363.01

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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.