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Finding the Fourth Proportional to 29,842.92, 44,758.86 and 12,072.63

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Solution

The fourth proportional to 29,842.92, 44,758.86 and 12,072.63 is: 18,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,842.92 : 44,758.86 = 12,072.63 : x
  2. Step 2: Convert to fraction form
    29,842.92/44,758.86 = 12,072.63/x
  3. Step 3: Cross multiply
    29,842.92x = 44,758.86 × 12,072.63
  4. Step 4: Simplify right side
    29,842.92x = 540,357,156.00
  5. Step 5: Solve for x
    x = 540,357,156.00/29,842.92
  6. Step 6: Final answer
    x = 18,106.71

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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.