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Finding the Fourth Proportional to 57,321.86, 85,982.72 and 37,595.79

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Solution

The fourth proportional to 57,321.86, 85,982.72 and 37,595.79 is: 56,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.86 : 85,982.72 = 37,595.79 : x
  2. Step 2: Convert to fraction form
    57,321.86/85,982.72 = 37,595.79/x
  3. Step 3: Cross multiply
    57,321.86x = 85,982.72 × 37,595.79
  4. Step 4: Simplify right side
    57,321.86x = 3,232,588,096.77
  5. Step 5: Solve for x
    x = 3,232,588,096.77/57,321.86
  6. Step 6: Final answer
    x = 56,393.64

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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.