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Finding the Fourth Proportional to 52,995.84, 79,438.41 and 38,934.96

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Solution

The fourth proportional to 52,995.84, 79,438.41 and 38,934.96 is: 58,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,995.84 : 79,438.41 = 38,934.96 : x
  2. Step 2: Convert to fraction form
    52,995.84/79,438.41 = 38,934.96/x
  3. Step 3: Cross multiply
    52,995.84x = 79,438.41 × 38,934.96
  4. Step 4: Simplify right side
    52,995.84x = 3,092,931,315.81
  5. Step 5: Solve for x
    x = 3,092,931,315.81/52,995.84
  6. Step 6: Final answer
    x = 58,361.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.