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Finding the Fourth Proportional to 29,642.85, 44,469.54 and 9,923.40

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Solution

The fourth proportional to 29,642.85, 44,469.54 and 9,923.40 is: 14,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.85 : 44,469.54 = 9,923.40 : x
  2. Step 2: Convert to fraction form
    29,642.85/44,469.54 = 9,923.40/x
  3. Step 3: Cross multiply
    29,642.85x = 44,469.54 × 9,923.40
  4. Step 4: Simplify right side
    29,642.85x = 441,289,033.24
  5. Step 5: Solve for x
    x = 441,289,033.24/29,642.85
  6. Step 6: Final answer
    x = 14,886.86

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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.