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Finding the Fourth Proportional to 52,489.62, 78,710.70 and 15,041.09

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Solution

The fourth proportional to 52,489.62, 78,710.70 and 15,041.09 is: 22,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.62 : 78,710.70 = 15,041.09 : x
  2. Step 2: Convert to fraction form
    52,489.62/78,710.70 = 15,041.09/x
  3. Step 3: Cross multiply
    52,489.62x = 78,710.70 × 15,041.09
  4. Step 4: Simplify right side
    52,489.62x = 1,183,894,975.84
  5. Step 5: Solve for x
    x = 1,183,894,975.84/52,489.62
  6. Step 6: Final answer
    x = 22,554.84

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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.