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Finding the Fourth Proportional to 68,673.59, 94,778.30 and 41,814.50

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Solution

The fourth proportional to 68,673.59, 94,778.30 and 41,814.50 is: 57,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,673.59 : 94,778.30 = 41,814.50 : x
  2. Step 2: Convert to fraction form
    68,673.59/94,778.30 = 41,814.50/x
  3. Step 3: Cross multiply
    68,673.59x = 94,778.30 × 41,814.50
  4. Step 4: Simplify right side
    68,673.59x = 3,963,106,542.39
  5. Step 5: Solve for x
    x = 3,963,106,542.39/68,673.59
  6. Step 6: Final answer
    x = 57,709.33

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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.