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Finding the Fourth Proportional to 38,944.80, 58,303.80 and 29,127.60

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Solution

The fourth proportional to 38,944.80, 58,303.80 and 29,127.60 is: 43,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.80 : 58,303.80 = 29,127.60 : x
  2. Step 2: Convert to fraction form
    38,944.80/58,303.80 = 29,127.60/x
  3. Step 3: Cross multiply
    38,944.80x = 58,303.80 × 29,127.60
  4. Step 4: Simplify right side
    38,944.80x = 1,698,249,764.88
  5. Step 5: Solve for x
    x = 1,698,249,764.88/38,944.80
  6. Step 6: Final answer
    x = 43,606.59

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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.