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Finding the Fourth Proportional to 11,487.33, 17,235.29 and 7,824.10

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Solution

The fourth proportional to 11,487.33, 17,235.29 and 7,824.10 is: 11,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.33 : 17,235.29 = 7,824.10 : x
  2. Step 2: Convert to fraction form
    11,487.33/17,235.29 = 7,824.10/x
  3. Step 3: Cross multiply
    11,487.33x = 17,235.29 × 7,824.10
  4. Step 4: Simplify right side
    11,487.33x = 134,850,632.49
  5. Step 5: Solve for x
    x = 134,850,632.49/11,487.33
  6. Step 6: Final answer
    x = 11,739.08

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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.