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Finding the Fourth Proportional to 75,003.63, 103,500.75 and 41,005.80

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Solution

The fourth proportional to 75,003.63, 103,500.75 and 41,005.80 is: 56,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.63 : 103,500.75 = 41,005.80 : x
  2. Step 2: Convert to fraction form
    75,003.63/103,500.75 = 41,005.80/x
  3. Step 3: Cross multiply
    75,003.63x = 103,500.75 × 41,005.80
  4. Step 4: Simplify right side
    75,003.63x = 4,244,131,054.35
  5. Step 5: Solve for x
    x = 4,244,131,054.35/75,003.63
  6. Step 6: Final answer
    x = 56,585.68

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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.