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Finding the Fourth Proportional to 29,295.54, 43,942.98 and 7,109.16

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Solution

The fourth proportional to 29,295.54, 43,942.98 and 7,109.16 is: 10,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.54 : 43,942.98 = 7,109.16 : x
  2. Step 2: Convert to fraction form
    29,295.54/43,942.98 = 7,109.16/x
  3. Step 3: Cross multiply
    29,295.54x = 43,942.98 × 7,109.16
  4. Step 4: Simplify right side
    29,295.54x = 312,397,675.70
  5. Step 5: Solve for x
    x = 312,397,675.70/29,295.54
  6. Step 6: Final answer
    x = 10,663.66

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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.