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Finding the Fourth Proportional to 8,494.70, 12,741.69 and 4,334.63

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Solution

The fourth proportional to 8,494.70, 12,741.69 and 4,334.63 is: 6,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.70 : 12,741.69 = 4,334.63 : x
  2. Step 2: Convert to fraction form
    8,494.70/12,741.69 = 4,334.63/x
  3. Step 3: Cross multiply
    8,494.70x = 12,741.69 × 4,334.63
  4. Step 4: Simplify right side
    8,494.70x = 55,230,448.02
  5. Step 5: Solve for x
    x = 55,230,448.02/8,494.70
  6. Step 6: Final answer
    x = 6,501.76

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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.