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Finding the Fourth Proportional to 52,725.84, 79,095.72 and 19,469.28

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Solution

The fourth proportional to 52,725.84, 79,095.72 and 19,469.28 is: 29,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.84 : 79,095.72 = 19,469.28 : x
  2. Step 2: Convert to fraction form
    52,725.84/79,095.72 = 19,469.28/x
  3. Step 3: Cross multiply
    52,725.84x = 79,095.72 × 19,469.28
  4. Step 4: Simplify right side
    52,725.84x = 1,539,936,719.48
  5. Step 5: Solve for x
    x = 1,539,936,719.48/52,725.84
  6. Step 6: Final answer
    x = 29,206.49

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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.