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Finding the Fourth Proportional to 9,930.62, 14,902.08 and 5,772.58

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Solution

The fourth proportional to 9,930.62, 14,902.08 and 5,772.58 is: 8,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.62 : 14,902.08 = 5,772.58 : x
  2. Step 2: Convert to fraction form
    9,930.62/14,902.08 = 5,772.58/x
  3. Step 3: Cross multiply
    9,930.62x = 14,902.08 × 5,772.58
  4. Step 4: Simplify right side
    9,930.62x = 86,023,448.97
  5. Step 5: Solve for x
    x = 86,023,448.97/9,930.62
  6. Step 6: Final answer
    x = 8,662.44

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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.