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Finding the Fourth Proportional to 74,636.88, 103,003.58 and 41,102.88

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Solution

The fourth proportional to 74,636.88, 103,003.58 and 41,102.88 is: 56,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.88 : 103,003.58 = 41,102.88 : x
  2. Step 2: Convert to fraction form
    74,636.88/103,003.58 = 41,102.88/x
  3. Step 3: Cross multiply
    74,636.88x = 103,003.58 × 41,102.88
  4. Step 4: Simplify right side
    74,636.88x = 4,233,743,788.31
  5. Step 5: Solve for x
    x = 4,233,743,788.31/74,636.88
  6. Step 6: Final answer
    x = 56,724.55

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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.