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Finding the Fourth Proportional to 8,995.94, 12,404.97 and 7,741.25

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Solution

The fourth proportional to 8,995.94, 12,404.97 and 7,741.25 is: 10,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.94 : 12,404.97 = 7,741.25 : x
  2. Step 2: Convert to fraction form
    8,995.94/12,404.97 = 7,741.25/x
  3. Step 3: Cross multiply
    8,995.94x = 12,404.97 × 7,741.25
  4. Step 4: Simplify right side
    8,995.94x = 96,029,911.99
  5. Step 5: Solve for x
    x = 96,029,911.99/8,995.94
  6. Step 6: Final answer
    x = 10,674.81

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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.