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Finding the Fourth Proportional to 9,107.01, 13,660.52 and 5,208.69

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Solution

The fourth proportional to 9,107.01, 13,660.52 and 5,208.69 is: 7,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.01 : 13,660.52 = 5,208.69 : x
  2. Step 2: Convert to fraction form
    9,107.01/13,660.52 = 5,208.69/x
  3. Step 3: Cross multiply
    9,107.01x = 13,660.52 × 5,208.69
  4. Step 4: Simplify right side
    9,107.01x = 71,153,387.88
  5. Step 5: Solve for x
    x = 71,153,387.88/9,107.01
  6. Step 6: Final answer
    x = 7,813.04

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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.