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Finding the Fourth Proportional to 11,473.92, 17,128.08 and 9,924.48

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Solution

The fourth proportional to 11,473.92, 17,128.08 and 9,924.48 is: 14,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.92 : 17,128.08 = 9,924.48 : x
  2. Step 2: Convert to fraction form
    11,473.92/17,128.08 = 9,924.48/x
  3. Step 3: Cross multiply
    11,473.92x = 17,128.08 × 9,924.48
  4. Step 4: Simplify right side
    11,473.92x = 169,987,287.40
  5. Step 5: Solve for x
    x = 169,987,287.40/11,473.92
  6. Step 6: Final answer
    x = 14,815.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.