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Finding the Fourth Proportional to 69,937.64, 104,849.52 and 32,521.28

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Solution

The fourth proportional to 69,937.64, 104,849.52 and 32,521.28 is: 48,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.64 : 104,849.52 = 32,521.28 : x
  2. Step 2: Convert to fraction form
    69,937.64/104,849.52 = 32,521.28/x
  3. Step 3: Cross multiply
    69,937.64x = 104,849.52 × 32,521.28
  4. Step 4: Simplify right side
    69,937.64x = 3,409,840,597.79
  5. Step 5: Solve for x
    x = 3,409,840,597.79/69,937.64
  6. Step 6: Final answer
    x = 48,755.44

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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.