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Finding the Fourth Proportional to 11,104.80, 15,305.52 and 10,048.80

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Solution

The fourth proportional to 11,104.80, 15,305.52 and 10,048.80 is: 13,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.80 : 15,305.52 = 10,048.80 : x
  2. Step 2: Convert to fraction form
    11,104.80/15,305.52 = 10,048.80/x
  3. Step 3: Cross multiply
    11,104.80x = 15,305.52 × 10,048.80
  4. Step 4: Simplify right side
    11,104.80x = 153,802,109.38
  5. Step 5: Solve for x
    x = 153,802,109.38/11,104.80
  6. Step 6: Final answer
    x = 13,850.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.