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Finding the Fourth Proportional to 58,173.75, 87,260.63 and 18,734.85

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Solution

The fourth proportional to 58,173.75, 87,260.63 and 18,734.85 is: 28,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,173.75 : 87,260.63 = 18,734.85 : x
  2. Step 2: Convert to fraction form
    58,173.75/87,260.63 = 18,734.85/x
  3. Step 3: Cross multiply
    58,173.75x = 87,260.63 × 18,734.85
  4. Step 4: Simplify right side
    58,173.75x = 1,634,814,720.28
  5. Step 5: Solve for x
    x = 1,634,814,720.28/58,173.75
  6. Step 6: Final answer
    x = 28,102.28

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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.