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Finding the Fourth Proportional to 8,560.08, 12,834.54 and 5,629.50

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Solution

The fourth proportional to 8,560.08, 12,834.54 and 5,629.50 is: 8,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.08 : 12,834.54 = 5,629.50 : x
  2. Step 2: Convert to fraction form
    8,560.08/12,834.54 = 5,629.50/x
  3. Step 3: Cross multiply
    8,560.08x = 12,834.54 × 5,629.50
  4. Step 4: Simplify right side
    8,560.08x = 72,252,042.93
  5. Step 5: Solve for x
    x = 72,252,042.93/8,560.08
  6. Step 6: Final answer
    x = 8,440.58

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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.