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Finding the Fourth Proportional to 58,073.54, 87,110.32 and 16,520.54

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Solution

The fourth proportional to 58,073.54, 87,110.32 and 16,520.54 is: 24,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,073.54 : 87,110.32 = 16,520.54 : x
  2. Step 2: Convert to fraction form
    58,073.54/87,110.32 = 16,520.54/x
  3. Step 3: Cross multiply
    58,073.54x = 87,110.32 × 16,520.54
  4. Step 4: Simplify right side
    58,073.54x = 1,439,109,049.12
  5. Step 5: Solve for x
    x = 1,439,109,049.12/58,073.54
  6. Step 6: Final answer
    x = 24,780.81

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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.