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Finding the Fourth Proportional to 52,684.53, 79,026.79 and 19,392.31

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Solution

The fourth proportional to 52,684.53, 79,026.79 and 19,392.31 is: 29,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,684.53 : 79,026.79 = 19,392.31 : x
  2. Step 2: Convert to fraction form
    52,684.53/79,026.79 = 19,392.31/x
  3. Step 3: Cross multiply
    52,684.53x = 79,026.79 × 19,392.31
  4. Step 4: Simplify right side
    52,684.53x = 1,532,512,096.65
  5. Step 5: Solve for x
    x = 1,532,512,096.65/52,684.53
  6. Step 6: Final answer
    x = 29,088.47

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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.