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Finding the Fourth Proportional to 72,524.80, 108,887.04 and 37,488.64

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Solution

The fourth proportional to 72,524.80, 108,887.04 and 37,488.64 is: 56,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,524.80 : 108,887.04 = 37,488.64 : x
  2. Step 2: Convert to fraction form
    72,524.80/108,887.04 = 37,488.64/x
  3. Step 3: Cross multiply
    72,524.80x = 108,887.04 × 37,488.64
  4. Step 4: Simplify right side
    72,524.80x = 4,082,027,043.23
  5. Step 5: Solve for x
    x = 4,082,027,043.23/72,524.80
  6. Step 6: Final answer
    x = 56,284.57

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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.