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Finding the Fourth Proportional to 29,295.61, 43,958.91 and 15,978.22

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Solution

The fourth proportional to 29,295.61, 43,958.91 and 15,978.22 is: 23,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.61 : 43,958.91 = 15,978.22 : x
  2. Step 2: Convert to fraction form
    29,295.61/43,958.91 = 15,978.22/x
  3. Step 3: Cross multiply
    29,295.61x = 43,958.91 × 15,978.22
  4. Step 4: Simplify right side
    29,295.61x = 702,385,134.94
  5. Step 5: Solve for x
    x = 702,385,134.94/29,295.61
  6. Step 6: Final answer
    x = 23,975.78

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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.