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Finding the Fourth Proportional to 72,527.64, 108,834.59 and 39,247.03

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Solution

The fourth proportional to 72,527.64, 108,834.59 and 39,247.03 is: 58,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,527.64 : 108,834.59 = 39,247.03 : x
  2. Step 2: Convert to fraction form
    72,527.64/108,834.59 = 39,247.03/x
  3. Step 3: Cross multiply
    72,527.64x = 108,834.59 × 39,247.03
  4. Step 4: Simplify right side
    72,527.64x = 4,271,434,418.77
  5. Step 5: Solve for x
    x = 4,271,434,418.77/72,527.64
  6. Step 6: Final answer
    x = 58,893.88

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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.