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Finding the Fourth Proportional to 9,599.90, 13,253.09 and 6,631.71

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Solution

The fourth proportional to 9,599.90, 13,253.09 and 6,631.71 is: 9,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,599.90 : 13,253.09 = 6,631.71 : x
  2. Step 2: Convert to fraction form
    9,599.90/13,253.09 = 6,631.71/x
  3. Step 3: Cross multiply
    9,599.90x = 13,253.09 × 6,631.71
  4. Step 4: Simplify right side
    9,599.90x = 87,890,616.33
  5. Step 5: Solve for x
    x = 87,890,616.33/9,599.90
  6. Step 6: Final answer
    x = 9,155.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.