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Finding the Fourth Proportional to 57,798.50, 79,768.42 and 32,649.62

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Solution

The fourth proportional to 57,798.50, 79,768.42 and 32,649.62 is: 45,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.50 : 79,768.42 = 32,649.62 : x
  2. Step 2: Convert to fraction form
    57,798.50/79,768.42 = 32,649.62/x
  3. Step 3: Cross multiply
    57,798.50x = 79,768.42 × 32,649.62
  4. Step 4: Simplify right side
    57,798.50x = 2,604,408,601.00
  5. Step 5: Solve for x
    x = 2,604,408,601.00/57,798.50
  6. Step 6: Final answer
    x = 45,060.14

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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.