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Finding the Fourth Proportional to 43,595.61, 65,379.02 and 16,939.73

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Solution

The fourth proportional to 43,595.61, 65,379.02 and 16,939.73 is: 25,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,595.61 : 65,379.02 = 16,939.73 : x
  2. Step 2: Convert to fraction form
    43,595.61/65,379.02 = 16,939.73/x
  3. Step 3: Cross multiply
    43,595.61x = 65,379.02 × 16,939.73
  4. Step 4: Simplify right side
    43,595.61x = 1,107,502,534.87
  5. Step 5: Solve for x
    x = 1,107,502,534.87/43,595.61
  6. Step 6: Final answer
    x = 25,403.99

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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.