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Finding the Fourth Proportional to 11,465.70, 17,203.65 and 7,304.64

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Solution

The fourth proportional to 11,465.70, 17,203.65 and 7,304.64 is: 10,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.70 : 17,203.65 = 7,304.64 : x
  2. Step 2: Convert to fraction form
    11,465.70/17,203.65 = 7,304.64/x
  3. Step 3: Cross multiply
    11,465.70x = 17,203.65 × 7,304.64
  4. Step 4: Simplify right side
    11,465.70x = 125,666,469.94
  5. Step 5: Solve for x
    x = 125,666,469.94/11,465.70
  6. Step 6: Final answer
    x = 10,960.21

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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.