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Finding the Fourth Proportional to 11,329.45, 17,004.98 and 6,955.45

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Solution

The fourth proportional to 11,329.45, 17,004.98 and 6,955.45 is: 10,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.45 : 17,004.98 = 6,955.45 : x
  2. Step 2: Convert to fraction form
    11,329.45/17,004.98 = 6,955.45/x
  3. Step 3: Cross multiply
    11,329.45x = 17,004.98 × 6,955.45
  4. Step 4: Simplify right side
    11,329.45x = 118,277,263.02
  5. Step 5: Solve for x
    x = 118,277,263.02/11,329.45
  6. Step 6: Final answer
    x = 10,439.81

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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.