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Finding the Fourth Proportional to 9,452.90, 14,179.02 and 5,078.90

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Solution

The fourth proportional to 9,452.90, 14,179.02 and 5,078.90 is: 7,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,452.90 : 14,179.02 = 5,078.90 : x
  2. Step 2: Convert to fraction form
    9,452.90/14,179.02 = 5,078.90/x
  3. Step 3: Cross multiply
    9,452.90x = 14,179.02 × 5,078.90
  4. Step 4: Simplify right side
    9,452.90x = 72,013,824.68
  5. Step 5: Solve for x
    x = 72,013,824.68/9,452.90
  6. Step 6: Final answer
    x = 7,618.17

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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.