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Finding the Fourth Proportional to 58,179.68, 87,267.08 and 18,735.92

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Solution

The fourth proportional to 58,179.68, 87,267.08 and 18,735.92 is: 28,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,179.68 : 87,267.08 = 18,735.92 : x
  2. Step 2: Convert to fraction form
    58,179.68/87,267.08 = 18,735.92/x
  3. Step 3: Cross multiply
    58,179.68x = 87,267.08 × 18,735.92
  4. Step 4: Simplify right side
    58,179.68x = 1,635,028,499.50
  5. Step 5: Solve for x
    x = 1,635,028,499.50/58,179.68
  6. Step 6: Final answer
    x = 28,103.09

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1.5x scale

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.