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Finding the Fourth Proportional to 29,295.99, 43,968.56 and 12,668.72

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Solution

The fourth proportional to 29,295.99, 43,968.56 and 12,668.72 is: 19,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.99 : 43,968.56 = 12,668.72 : x
  2. Step 2: Convert to fraction form
    29,295.99/43,968.56 = 12,668.72/x
  3. Step 3: Cross multiply
    29,295.99x = 43,968.56 × 12,668.72
  4. Step 4: Simplify right side
    29,295.99x = 557,025,092.26
  5. Step 5: Solve for x
    x = 557,025,092.26/29,295.99
  6. Step 6: Final answer
    x = 19,013.70

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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.