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Finding the Fourth Proportional to 8,741.79, 12,063.74 and 5,204.34

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Solution

The fourth proportional to 8,741.79, 12,063.74 and 5,204.34 is: 7,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.79 : 12,063.74 = 5,204.34 : x
  2. Step 2: Convert to fraction form
    8,741.79/12,063.74 = 5,204.34/x
  3. Step 3: Cross multiply
    8,741.79x = 12,063.74 × 5,204.34
  4. Step 4: Simplify right side
    8,741.79x = 62,783,778.61
  5. Step 5: Solve for x
    x = 62,783,778.61/8,741.79
  6. Step 6: Final answer
    x = 7,182.03

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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.