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Finding the Fourth Proportional to 43,267.60, 64,939.80 and 37,046.80

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Solution

The fourth proportional to 43,267.60, 64,939.80 and 37,046.80 is: 55,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.60 : 64,939.80 = 37,046.80 : x
  2. Step 2: Convert to fraction form
    43,267.60/64,939.80 = 37,046.80/x
  3. Step 3: Cross multiply
    43,267.60x = 64,939.80 × 37,046.80
  4. Step 4: Simplify right side
    43,267.60x = 2,405,811,782.64
  5. Step 5: Solve for x
    x = 2,405,811,782.64/43,267.60
  6. Step 6: Final answer
    x = 55,603.08

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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.