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Finding the Fourth Proportional to 57,712.50, 79,648.11 and 32,566.86

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Solution

The fourth proportional to 57,712.50, 79,648.11 and 32,566.86 is: 44,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.50 : 79,648.11 = 32,566.86 : x
  2. Step 2: Convert to fraction form
    57,712.50/79,648.11 = 32,566.86/x
  3. Step 3: Cross multiply
    57,712.50x = 79,648.11 × 32,566.86
  4. Step 4: Simplify right side
    57,712.50x = 2,593,888,847.63
  5. Step 5: Solve for x
    x = 2,593,888,847.63/57,712.50
  6. Step 6: Final answer
    x = 44,945.01

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1.5x scale

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.