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Finding the Fourth Proportional to 58,173.86, 87,260.83 and 16,620.86

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Solution

The fourth proportional to 58,173.86, 87,260.83 and 16,620.86 is: 24,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,173.86 : 87,260.83 = 16,620.86 : x
  2. Step 2: Convert to fraction form
    58,173.86/87,260.83 = 16,620.86/x
  3. Step 3: Cross multiply
    58,173.86x = 87,260.83 × 16,620.86
  4. Step 4: Simplify right side
    58,173.86x = 1,450,350,215.51
  5. Step 5: Solve for x
    x = 1,450,350,215.51/58,173.86
  6. Step 6: Final answer
    x = 24,931.30

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Similar ratio
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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.