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Finding the Fourth Proportional to 12,764,684.08, 17,689,785.88 and 12,522,452.08

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Solution

The fourth proportional to 12,764,684.08, 17,689,785.88 and 12,522,452.08 is: 17,354,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,684.08 : 17,689,785.88 = 12,522,452.08 : x
  2. Step 2: Convert to fraction form
    12,764,684.08/17,689,785.88 = 12,522,452.08/x
  3. Step 3: Cross multiply
    12,764,684.08x = 17,689,785.88 × 12,522,452.08
  4. Step 4: Simplify right side
    12,764,684.08x = 221,519,495,987,760.62
  5. Step 5: Solve for x
    x = 221,519,495,987,760.62/12,764,684.08
  6. Step 6: Final answer
    x = 17,354,091.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.