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Finding the Fourth Proportional to 57,992.62, 87,009.66 and 35,780.14

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Solution

The fourth proportional to 57,992.62, 87,009.66 and 35,780.14 is: 53,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.62 : 87,009.66 = 35,780.14 : x
  2. Step 2: Convert to fraction form
    57,992.62/87,009.66 = 35,780.14/x
  3. Step 3: Cross multiply
    57,992.62x = 87,009.66 × 35,780.14
  4. Step 4: Simplify right side
    57,992.62x = 3,113,217,816.15
  5. Step 5: Solve for x
    x = 3,113,217,816.15/57,992.62
  6. Step 6: Final answer
    x = 53,683.00

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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.