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Finding the Fourth Proportional to 50,579.92, 75,810.72 and 38,059.76

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Solution

The fourth proportional to 50,579.92, 75,810.72 and 38,059.76 is: 57,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.92 : 75,810.72 = 38,059.76 : x
  2. Step 2: Convert to fraction form
    50,579.92/75,810.72 = 38,059.76/x
  3. Step 3: Cross multiply
    50,579.92x = 75,810.72 × 38,059.76
  4. Step 4: Simplify right side
    50,579.92x = 2,885,337,808.63
  5. Step 5: Solve for x
    x = 2,885,337,808.63/50,579.92
  6. Step 6: Final answer
    x = 57,045.12

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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.