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Finding the Fourth Proportional to 53,281.30, 73,528.98 and 29,408.98

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Solution

The fourth proportional to 53,281.30, 73,528.98 and 29,408.98 is: 40,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.30 : 73,528.98 = 29,408.98 : x
  2. Step 2: Convert to fraction form
    53,281.30/73,528.98 = 29,408.98/x
  3. Step 3: Cross multiply
    53,281.30x = 73,528.98 × 29,408.98
  4. Step 4: Simplify right side
    53,281.30x = 2,162,412,302.24
  5. Step 5: Solve for x
    x = 2,162,412,302.24/53,281.30
  6. Step 6: Final answer
    x = 40,584.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.