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Finding the Fourth Proportional to 29,661.78, 44,507.27 and 13,867.89

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Solution

The fourth proportional to 29,661.78, 44,507.27 and 13,867.89 is: 20,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.78 : 44,507.27 = 13,867.89 : x
  2. Step 2: Convert to fraction form
    29,661.78/44,507.27 = 13,867.89/x
  3. Step 3: Cross multiply
    29,661.78x = 44,507.27 × 13,867.89
  4. Step 4: Simplify right side
    29,661.78x = 617,221,924.56
  5. Step 5: Solve for x
    x = 617,221,924.56/29,661.78
  6. Step 6: Final answer
    x = 20,808.66

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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.