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Finding the Fourth Proportional to 43,782.50, 60,421.30 and 23,910.50

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Solution

The fourth proportional to 43,782.50, 60,421.30 and 23,910.50 is: 32,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.50 : 60,421.30 = 23,910.50 : x
  2. Step 2: Convert to fraction form
    43,782.50/60,421.30 = 23,910.50/x
  3. Step 3: Cross multiply
    43,782.50x = 60,421.30 × 23,910.50
  4. Step 4: Simplify right side
    43,782.50x = 1,444,703,493.65
  5. Step 5: Solve for x
    x = 1,444,703,493.65/43,782.50
  6. Step 6: Final answer
    x = 32,997.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.