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Finding the Fourth Proportional to 68,518.78, 94,550.68 and 41,657.56

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Solution

The fourth proportional to 68,518.78, 94,550.68 and 41,657.56 is: 57,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518.78 : 94,550.68 = 41,657.56 : x
  2. Step 2: Convert to fraction form
    68,518.78/94,550.68 = 41,657.56/x
  3. Step 3: Cross multiply
    68,518.78x = 94,550.68 × 41,657.56
  4. Step 4: Simplify right side
    68,518.78x = 3,938,750,625.14
  5. Step 5: Solve for x
    x = 3,938,750,625.14/68,518.78
  6. Step 6: Final answer
    x = 57,484.25

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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.