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Finding the Fourth Proportional to 29,470.80, 44,172.72 and 14,664.72

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Solution

The fourth proportional to 29,470.80, 44,172.72 and 14,664.72 is: 21,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.80 : 44,172.72 = 14,664.72 : x
  2. Step 2: Convert to fraction form
    29,470.80/44,172.72 = 14,664.72/x
  3. Step 3: Cross multiply
    29,470.80x = 44,172.72 × 14,664.72
  4. Step 4: Simplify right side
    29,470.80x = 647,780,570.44
  5. Step 5: Solve for x
    x = 647,780,570.44/29,470.80
  6. Step 6: Final answer
    x = 21,980.42

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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.