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Finding the Fourth Proportional to 9,879.96, 14,692.86 and 9,568.51

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Solution

The fourth proportional to 9,879.96, 14,692.86 and 9,568.51 is: 14,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.96 : 14,692.86 = 9,568.51 : x
  2. Step 2: Convert to fraction form
    9,879.96/14,692.86 = 9,568.51/x
  3. Step 3: Cross multiply
    9,879.96x = 14,692.86 × 9,568.51
  4. Step 4: Simplify right side
    9,879.96x = 140,588,777.84
  5. Step 5: Solve for x
    x = 140,588,777.84/9,879.96
  6. Step 6: Final answer
    x = 14,229.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.