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Finding the Fourth Proportional to 34,599.52, 47,750.87 and 21,179.64

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Solution

The fourth proportional to 34,599.52, 47,750.87 and 21,179.64 is: 29,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,599.52 : 47,750.87 = 21,179.64 : x
  2. Step 2: Convert to fraction form
    34,599.52/47,750.87 = 21,179.64/x
  3. Step 3: Cross multiply
    34,599.52x = 47,750.87 × 21,179.64
  4. Step 4: Simplify right side
    34,599.52x = 1,011,346,349.17
  5. Step 5: Solve for x
    x = 1,011,346,349.17/34,599.52
  6. Step 6: Final answer
    x = 29,230.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.