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Finding the Fourth Proportional to 8,604.45, 12,888.45 and 5,969.12

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Solution

The fourth proportional to 8,604.45, 12,888.45 and 5,969.12 is: 8,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.45 : 12,888.45 = 5,969.12 : x
  2. Step 2: Convert to fraction form
    8,604.45/12,888.45 = 5,969.12/x
  3. Step 3: Cross multiply
    8,604.45x = 12,888.45 × 5,969.12
  4. Step 4: Simplify right side
    8,604.45x = 76,932,640.22
  5. Step 5: Solve for x
    x = 76,932,640.22/8,604.45
  6. Step 6: Final answer
    x = 8,941.03

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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.