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Finding the Fourth Proportional to 11,340.99, 17,005.37 and 8,701.97

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Solution

The fourth proportional to 11,340.99, 17,005.37 and 8,701.97 is: 13,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.99 : 17,005.37 = 8,701.97 : x
  2. Step 2: Convert to fraction form
    11,340.99/17,005.37 = 8,701.97/x
  3. Step 3: Cross multiply
    11,340.99x = 17,005.37 × 8,701.97
  4. Step 4: Simplify right side
    11,340.99x = 147,980,091.04
  5. Step 5: Solve for x
    x = 147,980,091.04/11,340.99
  6. Step 6: Final answer
    x = 13,048.25

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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.