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Finding the Fourth Proportional to 29,828.64, 44,713.80 and 12,311.04

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Solution

The fourth proportional to 29,828.64, 44,713.80 and 12,311.04 is: 18,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,828.64 : 44,713.80 = 12,311.04 : x
  2. Step 2: Convert to fraction form
    29,828.64/44,713.80 = 12,311.04/x
  3. Step 3: Cross multiply
    29,828.64x = 44,713.80 × 12,311.04
  4. Step 4: Simplify right side
    29,828.64x = 550,473,380.35
  5. Step 5: Solve for x
    x = 550,473,380.35/29,828.64
  6. Step 6: Final answer
    x = 18,454.52

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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.