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Finding the Fourth Proportional to 8,401.68, 12,604.14 and 4,708.08

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Solution

The fourth proportional to 8,401.68, 12,604.14 and 4,708.08 is: 7,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.68 : 12,604.14 = 4,708.08 : x
  2. Step 2: Convert to fraction form
    8,401.68/12,604.14 = 4,708.08/x
  3. Step 3: Cross multiply
    8,401.68x = 12,604.14 × 4,708.08
  4. Step 4: Simplify right side
    8,401.68x = 59,341,299.45
  5. Step 5: Solve for x
    x = 59,341,299.45/8,401.68
  6. Step 6: Final answer
    x = 7,063.03

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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.