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Finding the Fourth Proportional to 38,750.34, 58,135.29 and 11,048.34

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Solution

The fourth proportional to 38,750.34, 58,135.29 and 11,048.34 is: 16,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,750.34 : 58,135.29 = 11,048.34 : x
  2. Step 2: Convert to fraction form
    38,750.34/58,135.29 = 11,048.34/x
  3. Step 3: Cross multiply
    38,750.34x = 58,135.29 × 11,048.34
  4. Step 4: Simplify right side
    38,750.34x = 642,298,449.92
  5. Step 5: Solve for x
    x = 642,298,449.92/38,750.34
  6. Step 6: Final answer
    x = 16,575.30

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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.