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Finding the Fourth Proportional to 29,954.56, 44,934.72 and 12,186.88

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Solution

The fourth proportional to 29,954.56, 44,934.72 and 12,186.88 is: 18,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,954.56 : 44,934.72 = 12,186.88 : x
  2. Step 2: Convert to fraction form
    29,954.56/44,934.72 = 12,186.88/x
  3. Step 3: Cross multiply
    29,954.56x = 44,934.72 × 12,186.88
  4. Step 4: Simplify right side
    29,954.56x = 547,614,040.47
  5. Step 5: Solve for x
    x = 547,614,040.47/29,954.56
  6. Step 6: Final answer
    x = 18,281.49

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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.