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Finding the Fourth Proportional to 58,530.72, 87,780.42 and 16,408.44

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Solution

The fourth proportional to 58,530.72, 87,780.42 and 16,408.44 is: 24,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.72 : 87,780.42 = 16,408.44 : x
  2. Step 2: Convert to fraction form
    58,530.72/87,780.42 = 16,408.44/x
  3. Step 3: Cross multiply
    58,530.72x = 87,780.42 × 16,408.44
  4. Step 4: Simplify right side
    58,530.72x = 1,440,339,754.74
  5. Step 5: Solve for x
    x = 1,440,339,754.74/58,530.72
  6. Step 6: Final answer
    x = 24,608.27

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1.5x scale

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.