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Finding the Fourth Proportional to 39,603.70, 59,416.56 and 32,189.80

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Solution

The fourth proportional to 39,603.70, 59,416.56 and 32,189.80 is: 48,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.70 : 59,416.56 = 32,189.80 : x
  2. Step 2: Convert to fraction form
    39,603.70/59,416.56 = 32,189.80/x
  3. Step 3: Cross multiply
    39,603.70x = 59,416.56 × 32,189.80
  4. Step 4: Simplify right side
    39,603.70x = 1,912,607,183.09
  5. Step 5: Solve for x
    x = 1,912,607,183.09/39,603.70
  6. Step 6: Final answer
    x = 48,293.65

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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.