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Finding the Fourth Proportional to 8,341.07, 12,525.90 and 7,406.12

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Solution

The fourth proportional to 8,341.07, 12,525.90 and 7,406.12 is: 11,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.07 : 12,525.90 = 7,406.12 : x
  2. Step 2: Convert to fraction form
    8,341.07/12,525.90 = 7,406.12/x
  3. Step 3: Cross multiply
    8,341.07x = 12,525.90 × 7,406.12
  4. Step 4: Simplify right side
    8,341.07x = 92,768,255.88
  5. Step 5: Solve for x
    x = 92,768,255.88/8,341.07
  6. Step 6: Final answer
    x = 11,121.87

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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.